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Noroxin (Norfloxacin)

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Generic Noroxin medication belongs to a class of drugs called quinolone antibiotics. Generic Noroxin is used to treat a variety of bacterial infections. Generic Noroxin works by stopping the growth of bacteria.

Other names for this medication:

Similar Products:
Cipro, Levaquin, Quixin, Tequin, Avelox, Ocuflox


Also known as:  Norfloxacin.


Generic Noroxin medication belongs to a class of drugs called quinolone antibiotics. Generic Noroxin works by stopping the growth of bacteria.

Generic Noroxin should not be used for colds, flu, other virus infections, sore throats or other minor infections, or to prevent infections.

Noroxin is also known as Norfloxacin, Norfloxacine, Apo-Norflox, Norflohexal, Roxin, Utinor.

Generic name of Generic Noroxin is Norfloxacin.

Brand name of Generic Noroxin is Noroxin.


Take Generic Noroxin orally with a full glass of water.

Take Generic Noroxin usually twice a day, at least 1 hour before or at least 2 hours after a meal or dairy products (e.g., milk, yogurt).

Take Generic Noroxin 2 hours before or 2 hours after taking any products containing magnesium, aluminum or calcium.

The dosage of tablets depends on the disease and its prescribed treatment.

If you want to achieve most effective results do not stop taking Generic Noroxin suddenly.


If you overdose Generic Noroxin and you don't feel good you should visit your doctor or health care provider immediately.


Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F) away from moisture and heat. Keep bottle closed tightly. Throw away any unused medicine after the expiration date. Keep out of the reach of children.

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The most common side effects associated with Noroxin are:

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Side effect occurrence does not only depend on medication you are taking, but also on your overall health and other factors.


Do not take Generic Noroxin if you are allergic to Generic Noroxin components or to quinolone antibiotics such as ciprofloxacin, gatifloxacin, gemifloxacin, levofloxacin, lomefloxacin, moxifloxacin or ofloxacin.

Generic Noroxin should not be used for colds, flu, other virus infections, sore throats or other minor infections, or to prevent infections.

Be careful if you are pregnant, planning to become pregnant, or are breast-feeding.

Be careful if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement.

Be careful if you have seizures, brain disorders (e.g., cerebral arteriosclerosis, tumor, increased intracranial pressure), muscle disease/weakness (e.g., myasthenia gravis), heart problems (e.g., cardiomyopathy, slow heart rate, torsades de pointes, QTc interval prolongation), kidney disease, mineral imbalance (e.g., low potassium or magnesium), history of tendonitis/tendon problems.

When you take Generic Noroxin you should drink plenty of fluids.

Avoid alcohol and beverages containing caffeine (coffee, tea, colas), do not eat large amounts of chocolate.

Avoid prolonged sun exposure, tanning booths or sunlamps. Use a sunscreen and wear protective clothing when outdoors.

It can be dangerous to stop Generic Noroxin taking suddenly.

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Both Salmonella Typhimurium strains were resistant to tetracycline, streptomycin and sulphonamides, while Se20 was also resistant to nalidixic acid, ciprofloxacin, norfloxacin, levofloxacin, ofloxacin, amikacin, tobramycin, kanamycin and trimethoprim. PFGE and MLST showed a clonal relationship between the strains, which belonged to the sequence type ST36. Both strains contained the repC-sul2-strA-strB structure and tet(A) and qnrS1 genes, and strain Se20 also contained the aac(6')-Ib-cr gene, the Ser83-->Tyr substitution in GyrA and one class 1 integron with the dfrA17 + aadA5 gene cassette arrangement lacking qacEDelta1 + sul1. Two different transconjugants from Salmonella Se20 (TCSe20B and TCSe20L) harboured qnrS1 and sul2 genes and the class 1 integron. The TCSe20B strain also acquired the aac(6')-Ib-cr gene located on a non-typeable plasmid. qnrS1 was identified on a ColE-type plasmid and the class 1 integron on an IncI1-type plasmid.

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The effect of siliconized latex urinary catheters on the in vitro activity of amikacin, ceftazidime, ciprofloxacin, norfloxacin and meropenem against Pseudomonas aeruginosa was determined by a microdilution assay. MICs of amikacin and meropenem increased at least 4-fold and 16-fold respectively in the presence of catheter material. The effect of catheter material on meropenem activity was not strain dependent and was similar for different brands of catheters. The susceptibility to antimicrobial agents of Pseudomonas aeruginosa attached to catheters for 6 and 24 hours was also evaluated. When bacteria attached for 6 hours were used as inoculum, MBCs increased at least 8-fold for amikacin, 64-fold for ceftazidime, 64-fold for ciprofloxacin, 32-fold for norfloxacin and 2048-fold for meropenem. Similar results were observed when bacteria attached to catheters for 24 hours were used as inoculum. It is concluded that catheter material itself affected the in vitro activity of meropenem, and that the bactericidal activity of all antimicrobial agents against Pseudomonas aeruginosa present in biofilms on the surface of siliconized latex urinary catheters decreased dramatically, this effect being more pronounced with meropenem.

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CYP2A6 metabolizes coumarin to 7-hydroxycoumarin showing fluorescence, as measured by fluorometry. Firstly, we measured the inhibition of coumarin 7-hydroxylase of cDNA-expressed human CYP2A6 and in bovine liver microsomes, by quinoline and fluoroquinolines (FQ). Quinoline, 5-FQ, 6-FQ and 8-FQ inhibited activity but 3-FQ showed little inhibition. This suggests that the position 3 of quinoline is a recognition site for CYP2A6. We found similar patterns of coumarin 7-hydroxylase activity with human pooled liver microsomes. The level of CYP2A6 in human and bovine microsomes is the same as that detected by immunological titration with monoclonal antibody against CYP2A6. Secondly, we studied the inhibition of CYP2A6 with clinically used drugs of quinoline compounds, such as norfloxacin as an antibacterial agent, quinidine as an antiarrhythmic agent, quinine and chloroquine as antimalaria agents and rebamipide as an anti-ulcer agent. IC50 values (concentration producing 50% inhibition in activity) of norfloxacin, rebamipide and chloroquine at mM concentrations showed them to possess almost no inhibitory activity or influence on drug interaction. Meanwhile, the IC50 value of quinidine was 1.12 mM. The IC50 value of quinine was 160 microM with weak inhibition, suggesting that quinine, at a high dose, influences the metabolism of substrates for CYP2A6 by drug-drug interaction. These results also show that CYP2A6 discriminates the structure difference between the diastereoisomers quinidine and quinine.

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Evidence supporting a specific antibiotic regimen for TRUS-gb prophylaxis is scarce. Widespread use of fluoroquinolone prophylaxis may be associated with an increase in resistant Escherichia coli strains, posing a potentially major health issue in the future.  .

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The purpose of this study was to determine the effectiveness and tolerability of norfloxacin, cinoxacin and oxolinic acid in the treatment of urinary tract infections (UTI) in comparison to nalidixic acid. 125 patients were given the drugs in the appropriate doses for 10-14 days and 30 patients were treated for six weeks. Clinical, bacteriological, hematological and chemical checks were made on all patients before and after treatment. It was found that norfloxacin, cinoxacin and oxolinic acid are safe and effective against Escherichia coli, Klebsiella and Proteus, the commonly encountered organisms in urinary tract infections. The cure rate for norfloxacin was 93%, for cinoxacin 83%, for oxolinic acid 80% and for nalidixic acid 70% in the short course. However, these differences were not statistically significant. Oxolinic acid, cinoxacin and norfloxacin have the advantage over nalidixic acid of being administered only twice daily.

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Several 3-formylquinolone derivatives (8a-c) were synthesized to assay the antibacterial activity both in vitro and in vivo. In vitro, all of the compounds 8a-c showed lower activity than that of the corresponding 3-carboxyl compounds 1a-c, and in vivo, they showed higher activity than that of compounds 1a-c. After oral administration of 3-formyl compounds 8a-c to mice, the compounds were rapidly metabolized into 3-carboxyl compounds 1a-c. In particular, the 3-formyl derivative (8a) of norfloxacin (NFLX, 1a) gave a 2-fold higher serum level than that of NFLX and functioned as a prodrug of NFLX.

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Predicted susceptibility to each cefazolin-fluoroquinolone combination (98.7%) was superior to that for single-agent therapy with ofloxacin (88.2%), ciprofloxacin (82.3%), or norfloxacin (80.4%) (P = .0002). A cefazolin-fluoroquinolone combination (98.7%) was comparable to a cefazolin-gentamicin combination (97.4%).

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Although fluoroquinolone antibiotics such as ciprofloxacin are able to gain access to lung tissue and both pleural and bronchial secretions, the characteristics of transport and cellular uptake of ciprofloxacin in human epithelial lung tissue remain obscure. We have chosen human airway epithelial (Calu-3) cells, reconstituted as functional epithelial layers grown on permeable filter supports, as a model with which to assess both transepithelial transport and cellular uptake of ciprofloxacin. Transepithelial ciprofloxacin fluxes in absorptive (apical-to-basal) and secretory (basal-to-apical) directions were similar throughout the concentration range studied (1.0 microM to 3.0 mM). Transepithelial mannitol fluxes measured concurrently were substantially smaller than ciprofloxacin fluxes in Calu-3 epithelia, suggesting the existence of a mediated transcellular route in addition to a paracellular route for transepithelial permeation. Apical-to-basal ciprofloxacin flux (at 10 microM) was inhibited by a 100-fold excess of unlabelled norfloxacin, enoxacin, and ofloxacin, while secretory flux was unaffected. Cellular uptake of ciprofloxacin, determined as a cell/medium ratio, was greater from the basal compartment (2.7-fold) than apical uptake (1.39-fold) measured at 100 microM ciprofloxacin and showed no saturation up to 3 mM ciprofloxacin. Comparison of the permeation of ciprofloxacin was made with that of lipophilic substrates such as vinblastine and digoxin. There was a linear correlation between transepithelial permeability (Pa-b) and their oil/water partition coefficients with mannitol < ciprofloxacin < digoxin < vinblastine. Comparison of transport of ciprofloxacin across human airway Calu-3 epithelia with that across intestinal Caco-2 epithelia emphasizes the absence of a specific secretory pathway; ciprofloxacin permeation in Calu-3 epithelia appears to be mediated primarily by a transcellular route, with mediated transfer at apical and basal membranes occurring via transporters with low affinity to ciprofloxacin.

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The antimicrobial activity of one 3-hydroxypyridin-4-one (HPO) hexadentate (1) and three HPO hexadentate-based dendrimeric chelators (2-4) was evaluated. They were found to exhibit marked inhibitory effect on the growth of two Gram-positive bacteria and two Gram-negative bacteria. The combination treatment of dendrimeric chelator 2 with norfloxacin against Staphyloccocus aureus and Escherichia coli showed a dramatic synergistic bactericidal effect. As the dendrimeric chelator has a large molecular weight, its combination with norfloxacin may find application in the treatment of external infections.

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Spectrophotometric and spectrofluorimetric methods for the determination of two broad-spectrum fluoroquinolone antibacterials (ciprofloxacin and norfloxacin), either in pure form or in tablets, are described. Both methods are based on the formation of a ternary complex between palladium(II), eosin and the fluoroquinolone in the presence of methyl cellulose, as surfactant. Spectrophotometrically, under the optimum conditions, the ternary complexes showed an absorption maximum at 545 nm, with apparent molar absorptivities of 3.4 x 10(4) and 2.7 x 10(4) 1 mol-1 cm-1 and Sandell's sensitivities of 1.01 x 10(-2) and 1.12 x 10(-2) micrograms cm-2 for ciprofloxacin and norfloxacin, respectively. The solution of the ternary complex obeyed Beer's law in the concentration range 3-10 micrograms ml-1 for both quinolones. The proposed method was applied to the determination of the two drugs in pharmaceutical tablets. A fluorescence quenching method for the determination of both quinolones by forming this ternary complex was also investigated for the purpose of enhancing the sensitivity of the determination. The results obtained by the application of both procedures and the USP XXIII methods were in good agreement and statistical comparison by means of Student's t-test and the variance ratio F-test showed no significant differences between the three methods.

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The in-vitro antibacterial activity of nalidixic acid and the 4-quinolones, ciprofloxacin, norfloxacin, enoxacin, ofloxacin, pefloxacin, A-56619, A-56620 and CI-934 was assessed by determination of MICs. The 4-quinolones were all highly active against most isolates of Enterobacteriaceae, including nalidixic acid-resistant strains. Ciprofloxacin (MICs 0.002-2 mg/l) was the most active and A-56619 (MICs 0.008-32 mg/l) was the least active. A-56619, A-56620, ofloxacin, ciprofloxacin and CI-934 were highly active against Acinetobacter strains, pefloxacin and enoxacin were slightly less active, and a few strains were resistant to norfloxacin. All the compounds, including nalidixic acid, were active against Aeromonas strains (MICs 0.001-0.12 mg/l). Ciprofloxacin (MICs 0.06-1 mg/l) was the most active compound against Pseudomonas aeruginosa; A-56619 and CI-934 (MICs 1-16 mg/l) were the least active against this species. All the compounds were highly active against Haemophilus influenzae, Branhamella catarrhalis and Neisseria gonorrhoeae but the activity of all the compounds was poor against most isolates of Gardnerella vaginalis. All the 4-quinolones were active against staphylococci and CI-934 (MICs 0.03-0.25 mg/l) was the most active. CI-934 (MICs 0.06-2 mg/l) was also the most active compound against all streptococci. Most streptococci were sensitive also to ciprofloxacin (MICs 0.25-4 mg/l) but there were many isolates resistant to the other 4-quinolones. Against the anaerobic bacteria CI-934 was again the most active compound, particularly against the Gram-positive anaerobic cocci. Pefloxacin, enoxacin and norfloxacin had poor activity against most anaerobes. Ofloxacin, ciprofloxacin, A-56619 and A-56620 had good to moderate activity against all species of anaerobes except the Bacteroides fragilis group, against which none of the compounds was very active.

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Peripheral blood flow was measured by using forearm venous occlusion plethysmography.

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Forty adult patients with Salmonella typhi and S. paratyphi infections were studied in a randomly assigned prospective study to receive norfloxacin (12 drug-sensitive and 8 drug-resistant cases) or chloramphenicol (20 cases). No complication occurred in either group and no side effect was noted in the norfloxacin-treated group. The results suggest that a 7 d course of twice daily norfloxacin promises to be an alternative to a 14 d course of chloramphenicol for treating chloramphenicol-sensitive and multidrug-resistant typhoid and paratyphoid fevers.

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Studies of cross resistance between norfloxacin, ofloxacin, enoxacin and ciprofloxacin using 599 strains of non-fermentative gram-negative rods (297 Pseudomonas spp. and 302 Acinetobacter spp.) resulted in nearly identical minimal inhibitory concentrations of norfloxacin and enoxacin Comparing MIC values, in most ofloxacin was one to four dilution steps superior to enoxacin, and ciprofloxacin was one to four dilution steps superior to ofloxacin. There was not much difference in MICs when species were studied in more detail. In some instances susceptibility testing with more than one new quinolone may be necessary, and evaluation criteria are given.

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Six hundred and eighty five blood cultures from children clinically diagnosed as enteric fever yielded 176 salmonella strains showing isolation success rate of 25.7%, S. typhi were 164 (93.2%), S. paratyphi A 5 (2.8%), S. choleraesuis 4 (2.3%) and S. typhimurium 3 (1.7%). Antibiogram of 164 isolates of S. typhi showed triple drug resistance (TDR) in 156 strains (95.1%) to chloramphenicol, ampicillin and cotrimoxazole, and sensitivity of 90.2% and 95.1% to norfloxacin and ciprofloxacin respectively. Minimum inhibitory concentrations (MIC) of chloramphenicol were between 360 mcg and 640 mcg per ml. Phage types of 38 strains of TDR S. typhi were predominantly E1 and 0 with prevalences of 47.4% and 36.8% respectively in this region. All children with S. typhi isolates sensitive to quinolones in Vitro responded well to these drugs with almost no relapse and hence, the newer generation of quinolones could be considered as the first choice in the primary treatment of enteric fever.

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15/60 subjects from one center, who all took part in a multicenter double-blind, placebo-controlled study to evaluate the effect of norfloxacin on acute enteritis, had norfloxacin sensitive strains of Campylobacter jejuni in pre-study stool specimens. Eight of the 15 subjects received active drug. In 3 of these 8, high-level quinolone resistant Campylobacter strains of the same serotype as in pre-treatment samples were isolated 4-90 days after the initiation of treatment.

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A series of novel 2-methyl-3-substituted quinazolin-4-(3H)-ones have been synthesized by treating (2-methyl-4-oxo-3H-quinazolin-3-yl)dithiocarbamic acid methyl ester with different amines, the starting material dithiocarbamate was synthesized from anthranilic acid. The compounds synthesized were investigated for analgesic, anti-inflammatory and antibacterial activities. All the test compounds exhibited significant activity, the compounds VA2, VA3 and VA4 shown more potent analgesic activity, and the compounds VA3 and VA4 shown more potent anti-inflammatory activity than the reference compound diclofinac sodium.

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The in vitro activity of ciprofloxacin (Bay o 9867), a new carboxyquinoline antimicrobial agent, was compared with those of norfloxacin, nalidixic acid, and several other oral and parenteral antimicrobial agents. Ciprofloxacin was substantially more active than nalidixic acid or cinoxacin against all gram-negative bacteria tested. Virtually all strains of Enterobacteriaceae were inhibited by the new drug at concentrations of less than or equal to 0.125 micrograms/ml. Ciprofloxacin was more active than norfloxacin against Klebsiella sp., Enterobacter sp., and Serratia marcescens, and it was the most active agent against Pseudomonas aeruginosa (MIC90, 0.5 micrograms/ml). The new drug also demonstrated significant activity against gram-positive cocci, inhibiting all strains of staphylococci at concentrations of less than or equal to 1.0 microgram/ml. Ciprofloxacin was bactericidal at concentrations near the MIC against most isolates tested. Although stepwise increases in resistance were seen with Escherichia coli and P. aeruginosa during serial passage on plates containing incremental concentrations of the drug, significant resistance did not emerge during incubation of strains in broth containing concentrations of ciprofloxacin above the MBC.

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A DNA fragment conferring drug resistance was cloned from the chromosomal DNA of Staphylococcus aureus N315 using a drug hypersensitive Escherichia coli KAM32 as the host. Although E. coli KAM32 cells were sensitive to many antimicrobial agents, transformed cells harboring a recombinant plasmid carrying the DNA region became resistant to several structurally unrelated antimicrobial agents, such as tetraphenylphosphonium chloride, Hoechst 33342 and norfloxacin. These results suggest that the cloned DNA fragment carries a gene(s) encoding a multidrug efflux pump. We partially determined the nucleotide sequence of the cloned DNA and found the mdeA gene within it. The E. coli cells transformed with the mdeA gene showed efflux activity of Hoechst 33342. On the other hand, S. aureus cells transformed with mdeA showed elevated resistance to doxorubicin, daunorubicin, tetraphenylphosphonium chloride, Hoechst 33342, ethidium bromide and rhodamine 6G. Elevated energy-dependent efflux of ethidium was observed with transformed S. aureus. We found that the mdeA gene was expressed under normal growth conditions in S. aureus N315.

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To study the antimicrobial susceptibility, plasmid content, auxotype and serogroup of strains of Neisseria gonorrhoeae isolated from an urban population of STD clinic attenders in Northern Tanzania.

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This study was performed to evaluate the change of prescribing patterns after the regulatory action regarding fluoroquinolones in pediatric patients.

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The information on the characteristics of Escherichia coli causing urinary tract infections is limited. We have characterised the urovirulence factors of Esch. coli isolated from symptomatic patients of urinary tract infections (UTI) in order to determine their pathogenic potential and the antibiotic sensitivity profile.

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Bacteria of Enterococcus spp. are now much more often isolated from various diagnostic materials in systemic infection, both in hospitalized and in ambulatory patients. The study included 571 enterococci strains isolated from urine in 1997. Species identification was performed by rapid ID32 STREP test (bioMérieux) for 327 analyzed strains. Enterococcus faecalis and Enterococcus faecium dominated (46.1% and 11.2%, respectively). Over 42% of strains were isolated from urine of patients with non-significant bacteriuria or as concomitant flora. In such cases, simplified identification was performed and the strains were determined as Enterococcus spp. The microorganisms analyzed originated primarily from the urine samples of patients hospitalized at the Department of Urology (41.8%), the Department of Neurology (11.9%) and the Department of Internal Medicine and Nephrology (9.9%). Enterococcus faecalis strains were second with respect to population count (263--10.6%), after Escherichia coli strains (464--18.8%), while Enterococcus faecium strains were the sixth (64--2.5%). Enterococcus genus took the first place among all microorganisms isolated from the urine samples. Antibiotic-sensitivity was determined for 323 enterococci strains originating from hospitalized and ambulatory patients. Enterococcus faecium strains, naturally resistant to beta-lactam antibiotics, were sensitive to nitrofuranoin in more than 50% and to norfloxacin in about 20%. Among 254 analyzed Enterococcus faecalis strains, 80.0% were sensitive to ampicillin, nitrofurantoin and high concentrations of gentamicin as well as streptomycin. Enterococci strains isolated from hospitalized patients proved sensitive to ampicillin and carbapenems in 76.8%, while strains isolated from ambulatory patients were 100% sensitive to these drugs. Examination of enterococci isolated from urine of patients hospitalized showed 33.8% sensitive to norfloxacin and 84.6% sensitive to nitrofurantoin. All the enterococci strains were sensitive to glycopeptide antibiotics: vancomycin, teicoplanin.

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In Ethiopia there is scarce information on the pattern of bacterial isolates and drug sensitivities of infected ulcers in patients with leprosy. This study was undertaken to identify the bacteriology of infected ulcers and to determine their antimicrobial susceptibility pattern.

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Cirrhotic patients frequently develop ascites during the course of their disease. The appearance of ascites is the final consequence of profound disturbances in systemic and splanchnic haemodynamics, and in renal and hormonal function. The alterations in renal function consist of a decreased ability to excrete sodium and water, and in more severe cases, a reduction in renal blood flow and glomerular filtration rate. No effective drug therapy is yet available for water retention and renal failure in these patients. Sodium retention, however, may be treated by the administration of diuretics. The diuretics most commonly used in the treatment of cirrhotic patients with ascites are loop diuretics, particularly furosemide (frusemide), and distal, or 'potassium-sparing' diuretics such as spironolactone. Although furosemide has a much greater natriuretic potency than spironolactone in healthy individuals, studies in cirrhotic patients with ascites have shown that spironolactone is more effective than furosemide in the elimination of ascites. Nowadays, however, therapeutic paracentesis associated with plasma expanders has replaced diuretic therapy as the initial treatment for cirrhotic patients hospitalised with tense ascites since it is more effective and is associated with a lower rate of complications than diuretic therapy. Diuretics should be given after the elimination of ascites by paracentesis to avoid the reaccumulation of the abdominal fluid. Only cirrhotic patients with mild ascites should be treated initially with diuretics. Cirrhotic patients with ascites frequently develop a spontaneous infection of the ascitic fluid which is usually caused by Gram-negative bacilli from enteric origin and has a great tendency to recur after therapy. The antibiotics of choice for this infection are third-generation cephalosporins. Long term administration of norfloxacin, which causes a selective elimination of Gram-negative bacilli from the intestinal flora, is effective in preventing the recurrence of ascites infection in these patients. Finally, cirrhotic patients with ascites are prone to develop renal failure when treated with a variety of pharmacological agents, particularly aminoglycosides and nonsteroidal anti-inflammatory drugs. The administration of the latter drugs may also cause dilutional hyponatraemia and refractory ascites since they induce water retention and impair the renal response to diuretics.

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compare the acceptability of 3-day regimen with that of 10-day regimen of fluoroquinolones for the treatment of recurrent uncomplicated lower urinary tract infection in women.

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Enterococcus faecium has emerged as a multidrug-resistant nosocomial pathogen involved in outbreaks worldwide. Our aim was to determine the antimicrobial susceptibility, biofilm production, and clonal relatedness of vancomycin-resistant E. faecium (VREF) clinical isolates from two hospitals in Mexico.

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Our study demonstrates that strains with MR fimbriae have a rather high virulence (p<0.001), and that a combination of MR+MS fimbriae increased that virulence (p<0.001). As MR strains have a greater adhesive property, the determination of MR fimbriae bearing as high shows that fimbriae bearing plays an important role in widespread and resistant strains, especially in recurrent UTIs such as in our study. In addition, hemolysin capability was also a virulence factor in recurrent UTIs (p<0.01). In addition, the sensitivity of the strains to the antimicrobials appeared in the following order; imipenem 93%, norfloxacin 89%, ciprofloxacin 85%, netilmicin 80%, amikacin 78%, ceftriaxone 74%, gentamicin 72%, nitrofurantoin 71%, ampicillin-sulbactam 60%, amoxicillin-clavulanate 58%, Trimethoprim/sulfamethoxazole 45%, ampicillin 35%.

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noroxin 400 dosage 2017-03-17

Nine antimicrobial agents, the new macrolides, rokitamycin and midecamycin acetate, and seven other antibiotics, tetracycline, minocycline, doxycycline, josamycin, erythromycin, spiramycin, and norfloxacin, were studied for their antimicrobial activity against 100 strains of Ureaplasma urealyticum, using a microtiter broth dilution buy noroxin technique. The new macrolides, rokitamycin and midecamycin acetate, had the highest activity, with the MIC against 90% of isolates tested (MIC90) being less than or equal to 0.05 microgram/ml. MICs90 of erythromycin, josamycin, doxycycline, minocycline and tetracycline ranged from 0.1 to 0.78 micrograms/ml. Norfloxacin was least active, with a MIC90 of 12.5 micrograms/ml. Five of 100 strains tested were resistant (MIC greater than or equal to 12.5 micrograms/ml) to tetracycline, and two were resistant to minocycline and doxycycline; all of these were susceptible to rokitamycin and midecamycin acetate.

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Escherichia coli were the most prevalent causative organisms and showing multi drug resistance pattern, asymptomatic bacteriuria is more prevalent than buy noroxin symptomatic among pregnant women. Urine culture for screening and diagnosis purpose for all pregnant is recommended.

dosage of noroxin 2016-03-05

Here we describe the international scenario of Vibrio cholerae with a comparative analysis of different aspects of typing. Representative V. cholerae strains (n=108) associated with endemic cholera regions from 29 states of India and worldwide were subjected to microbiological, molecular and phylogenetic study. All of the strains were V. cholerae serogroup O1 biotype El Tor and were typed according to both the new phage (NP) type and Basu & Mukherjee (BM) typing schemes. The predominant phage type was T-27 (NP)/T-4 (BM) (65.7%; n=71), followed by phage type T-27 (NP)/T-2 (BM) (14.8%; n=16), T-26 (NP)/T4 (BM) (12.0%; n=13), T-13 (NP)/T-4 (BM) (2.8%; n=3), T-20 (NP)/T-4 (BM) (1.9%; n=2), T-3 (NP)/T-4 (BM) (0.9%; n=1), T-23 (NP)/T-4 (BM) (0.9%; n=1) and T-24 (NP)/T-2 (BM) (0.9%; n=1). Mismatch amplification mutation assay PCR (MAMA-PCR) findings showed the dominance of ctxB El buy noroxin Tor genotype (77.1%; 54/70) from 1961-1991, whilst the next two epochs showed the supremacy of ctxB classical genotype. Multidrug-resistant strains showed resistance to erythromycin, streptomycin, trimethoprim/sulfamethoxazole, norfloxacin and ampicillin. The regional resistance of epidemic clones in India draws a layout of the rapid dissemination of resistance in the past 30 years and the necessity of proper treatment to protect populations at risk.

noroxin tablet 2017-04-15

In this work, an analytical method for simultaneous analysis of several quinolones (cinoxacin, oxolinic acid, nalidixic acid, and flumequine) and fluoroquinolones (norfloxacin, enrofloxacin, enoxacin, ciprofloxacin, and danofloxacin) in baby-food samples is described for the first time. The method is based on isolation of these analytes by ultrasound-assisted extraction procedure followed by a solid-phase extraction sample clean-up step and final determination of the analytes by HPLC using UV detection. For the extraction step, 2 g baby food was mixed with methanol in a centrifuge tube and one single extraction cycle of 15 min at room temperature was carried out. After centrifugation, supernatant was collected and two different solid-phase extraction procedures were developed and evaluated for sample clean-up. The first was based on use of strong anion-exchange cartridges whereas the second was based on use of a ciprofloxacin-imprinted polymer. Both sample clean-up procedures had their own advantages and drawbacks, and the analytical performance and applicability of each procedure was established and properly discussed. The anion-exchange resin-based method enabled simultaneous determination of quinolones and fluoroquinolones, buy noroxin reaching limits of detection ranging from 0.03 to 0.11 microg g(-1). In contrast, the use of a ciprofloxacin-imprinted polymer did provide selectivity towards fluoroquinolones, leading to chromatograms free from co-extractives reaching limits of detection one order of magnitude lower than those obtained by the first approach.

noroxin drug interactions 2016-03-24

To study the role of EPEC in Paediatric diarrhoea by buy noroxin both Serogrouping and Molecular characterisation by PCR and to analyse the antibiotic susceptabililty patterns of EPEC strains in our area.

noroxin dosage 2016-06-19

In this study, we evaluated the clinical efficacy of cefpodoxime proxetil ( buy noroxin CPDX-PR) in otorhinolaryngological infections. The subjects were 205 patients (85 men and 120 women) with various otorhinolaryngological infections, aged from 16 to 81 years (mean 49.2 years): 113 patients had acute infections, 25 patients had chronic infections and 67 patients had acute exacerbation of chronic infections. 1. Clinical evaluation The overall efficacy rate was 75.6%. When classified by disease, the efficacy rate was 84.9%, 60.0%, 65.6% in acute infections, chronic infections and acute exacerbation of chronic infections, respectively. 2. Bacteriological evaluation Frequencies of isolation of different organisms were studied: 49 strains of Staphylococcus aureus, 27 strains of Staphylococcus sp. and 15 strains of Streptococcus sp. were found in the decreasing order of frequencies. Antibacterial activities against S. aureus, Staphylococcus sp. and several other organisms were compared among CPDX-PR, ampicillin, cefaclor, cefteram and norfloxacin: CPDX-PR showed the highest activity. 3. Side effect Mild urticaria was observed in only 1 patient. Abnormal laboratory test results were mild elevation of GOT and GPT in 3 of 43 patients. Based on the above results, we consider that CPDX-PR is useful for treatment of otorhinolaryngological infections.

noroxin pill 2016-08-21

17,000 canine specimens buy noroxin .

noroxin medication 2016-03-05

Ofloxacin (DL8280, RU43280) is a newly introduced oxazine quinolone derivative with broad and potent antibacterial activity. Ofloxacin showed excellent in-vitro activity against Enterobacteriaceae while most strains of Pseudomonas aeruginosa were inhibited by less than 2 mg/l. The compound was significantly more potent than norfloxacin against Acinetobacter spp. and Staphylococcus spp. Ofloxacin and norfloxacin behaved similarly with respect to inoculum size, effect of urine and serum, bactericidal properties and frequency of spontaneous resistant mutants. Ofloxacin displayed an in-vivo antibacterial activity up to five times greater than that of pefloxacin and norfloxacin, probably due to the conjunction buy noroxin of favourable pharmacokinetics, excellent bacterial susceptibility and good stability towards metabolic degradation.

noroxin reviews 2015-12-14

Patients not taking antibiotics had significantly decreased TLR4 expression compared with controls (0.74 vs. 1.0, p=0.009) and patients receiving antibiotics (0.74 vs. 0.98, p=0.02). There were no differences with regard to TLR2. In the buy noroxin patients with paired samples, TLR4 expression increased (0.74-1.49, p=0.002) following antibiotic use, whilst again, there was no change in TLR2 expression (0.99 vs. 0.92, p=0.20). TLR4-dependent TNF-alpha production increased following antibiotic use (1077 vs. 3620pg/mL, p<0.05), whilst TLR2-dependent production was unchanged.

noroxin drug 2017-06-25

The clinical and bacteriological efficacy of norfloxacin and co-trimoxazole was compared in patients with symptomatic upper urinary tract infections (UTI). Norfloxacin 400 mg or cotrimoxazole (160 mg of trimethoprim plus 800 mg of sulphamethoxazole) were given orally b.i.d. for seven days to 94 Thai patients. Clinical and bacteriological assessments were performed before and at 5, 14 and 21 days after start of treatment. Bacteriological outcome could be evaluated in 69 patients, 35 randomized to norfloxacin and 34 to co-trimoxazole. The bacteriological cure rate assessed four to seven days after treatment was significantly higher in the norfloxacin than in the co-trimoxazole group (94.3% vs. 73.5%; p less than 0.05). Few patients in each group reported mild buy noroxin and transient adverse effects. We conclude that norfloxacin was well tolerated and more effective than co-trimoxazole in the treatment of upper UTI.

noroxin 400 mg 2017-08-16

The purpose of this investigation was to study the modulator and efflux pump inhibitor activity of coumarins isolated from Mesua ferrea against clinical strains as well as NorA-over expressed strain of Staphylococcus aureus 1199B. Seven coumarins were tested for modulator activity using ethidium bromide (EtBr) as a substrate. Compounds 1, 4-7 modulated the MIC of EtBr by ≥ 2 fold against wild type clinical strains of S. aureus 1199 and S. aureus 1199B, whereas compounds 4-7 modulated the MIC of EtBr by ≥ 16 fold against MRSA 831. Compounds 1, 4-7 also reduced the MIC of norfloxacin by ≥ 8 fold against S. aureus 1199B, and 4-6 reduced the MIC of norfloxacin by ≥ 8 fold against MRSA 831 at half of their MICs. Inhibition of EtBr efflux by NorA-overproducing S. aureus 1199B and MRSA 831 confirmed the role of compounds 4-6 as NorA efflux pump inhibitors (EPI). Dose-dependent activity at sub-inhibitory concentration (6.25 μg/ buy noroxin mL) suggested that compounds 4 and 5 are promising EPI compared to verapamil against 1199B and MRSA 831 strains.

noroxin with alcohol 2015-07-25

Fluoroquinolones (FQs) are synthetic antibiotics of broad-spectrum antibacterial activity widely used to treat infections in farmed fish, turkeys, pigs, calves and poultry. Monitoring these substances residues is therefore regulated by law. For the detection of FQs, we studied the feasibility of coupling the simultaneous screening of several FQs, using a dual surface plasmon resonance (SPR) biosensor immunoassay (BIA), in parallel, with an analytical chemical methodology for their identification. Six FQs were simultaneously screened at or below their maximum residue level (MRL) in chicken muscle using a multi-FQ BIA for norfloxacin, ciprofloxacin, enrofloxacin, difloxacin and sarafloxacin, and a specific BIA for flumequine. The two BIAs were serially coupled in a multi-channel SPR biosensor featuring a dual BIA in a competitive inhibition format. The samples non-compliant during buy noroxin the screening with the dual BIA were further concentrated and fractionated with gradient liquid chromatography (LC). The effluent was splitted toward two 96-well fraction collectors resulting in two identical 96-well plates. One was re-screened with the dual BIA to identify the immunoactive fractions and direct the identification efforts toward the relevant fractions in the second well-plate with high resolution LC-electrospray time-of-flight mass spectrometry (ESI-TOFMS). The system not only allows the possibility to screen and identify known FQs, but also to discover unknown chemicals of similar structure which show activity in the dual BIA.

noroxin renal dosing 2016-03-31

Group A streptococcus (GAS) is a major cause of pediatric pharyngotonsillitis. In this study we determined the T serotype and antimicrobial susceptibility of GAS isolates from Japanese children. From January to December 2006, a total of 438 isolates of GAS were obtained from pharyngeal swabs of 438 children with pharyngotonsillitis. The commonest T serotype was type 1 (110 strains, 25.1%), followed by type 12 (107, 24.4%) and type 4 (77, 17.6%). All GAS isolated from pharyngeal swabs were susceptible to beta-lactams (benzylpenicillin, amoxicillin, cefotaxime, ceftriaxone, imipenem, panipenem, and cefditoren) and vancomycin, but 19.6, 19.6, 3.2, 11.6, and 27.6% were resistant to erythromycin, clarithromycin, clindamycin, minocycline, and norfloxacin, respectively. Resistance varied considerably with the T serotype. In particular, type 4 isolates had the buy noroxin highest resistance (67.5, 67.5, 26.0, and 53.2% were resistant to erythromycin, clarithromycin, minocycline, and norfloxacin, respectively).

noroxin 200 mg 2016-09-07

A total of 33 sexually active, premenopausal and postmenopausal women, suffering from recurrent urinary tract infections was randomized to receive postcoital prophylaxis with a dose of either 100 mg. ofloxacin (12), 200 mg. norfloxacin (11) or 125 mg. ciprofloxacin (10). While 130 urinary tract infections occurred in these patients during a mean of 8 months before postcoital quinolone prophylaxis, only 1 occurred during a mean of 15 months following prophylaxis. This difference was statistically highly significant. Each of these patients ingested a mean of 117 quinolone doses per year of postcoital prophylaxis. Before prophylaxis 74% of the introital cultures yielded gram-negative enterobacteria (mainly Escherichia coli buy noroxin ), whereas only 11% yielded the same bacteria following prophylaxis. Postcoital oral prophylaxis with minimal quinolone doses is highly effective in the prevention of recurrent urinary tract infections in women, because it achieves high urinary bactericidal concentrations, and clears the majority of the introital and urethral Enterobacteriaceae without inducing resistance to the quinolones despite long-term treatment. This prophylaxis is highly recommended because of its ease of compliance, preservation of drug efficacy, lack of toxicity and cost-effectiveness. Postcoital quinolone prophylaxis is as good as or better than daily quinolone prophylaxis and uses only a third of the amount of drug consumed in daily prophylaxis.

noroxin online 2015-08-28

A series of novel arylfluoroquinolones has been prepared. These derivatives are characterized by having a fluorine atom at the 6-position, substituted amino groups at the 7-position, and substituted phenyl groups at the 1-position. Structure-activity relationship (SAR) studies indicate that the in vitro antibacterial potency is greatest when the 1-substituent is either p-fluorophenyl or p-hydroxyphenyl and the 7-substituent is either 1-piperazinyl, 4-methyl-1-piperazinyl, or 3-amino-1-pyrrolidinyl. The electronic and spatial properties of the 1-substituent, as well as the steric bulk, play important roles in the antimicrobial potency in this class of antibacterials. As a result of this study, compounds 45 Levitra 750 Mg and 41 were found to possess excellent in vitro potency and in vivo efficacy.

noroxin and alcohol 2017-11-09

Multidrug-resistant strains of Shigella dysenteriae type 1 were implicated in three outbreaks and sporadic cases of dysentery in eastern India in 2002 and 2003. After a hiatus of 14 years, this pathogen reemerged with an altered antibiotic resistance pattern. In addition to ampicillin, co-trimoxazole, tetracycline, chloramphenicol, and nalidixic acid, all the recent strains were resistant to norfloxacin, lomefloxacin, pefloxacin, and ofloxacin and showed reduced susceptibility to ciprofloxacin. Pulsed-field gel electrophoresis identified a new clone of S. dysenteriae type 1 that was associated with the recent outbreaks and sporadic cases. Based on the spatial and temporal spread of multidrug-resistant Precose Drug S. dysenteriae type 1, we predict that this clonal type may spread further in this region.

noroxin overdose 2017-05-19

The in vitro susceptibilities of 50 strains of Salmonella spp., 80 strains of Shigella spp., and 50 enterotoxigenic Escherichia coli, 14 Yersinia enterocolitica, 6 Aeromonas hydrophila, 4 Plesiomonas shigelloides, 9 Vibrio parahaemolyticus, and 30 Campylobacter jejuni strains that were recently isolated from worldwide sources were determined for 10 antimicrobial Sinemet Max Dose agents. The antimicrobial agents tested included ampicillin, bicozamycin, doxycycline, enoxacin (CI-919), erythromycin, furazolidone, amdinocillin, norfloxacin, trimethoprim, and trimethoprim-sulfamethoxazole. Ampicillin resistance occurred frequently in strains of Salmonella and Shigella spp. and enterotoxigenic E. coli strains. The most active agents against all of the bacteria tested were enoxacin and norfloxacin. Furazolidone and amdinocillin were also highly active against the majority of strains. Trimethoprim and trimethoprim-sulfamethoxazole were inhibitory at low concentrations against all test except C. jejuni isolates. The in vitro results of this study confirm the high prevalence of bacterial resistance to ampicillin. However, this work also identifies four antimicrobial agents, enoxacin, furazolidone, norfloxacin, and amdinocillin, that would be appropriate for further testing in clinical trials.

noroxin dose 2017-05-12

The quinolones represent Amoxil Reviews a unique class of drugs which offer a new option for clinicians to treat a wide variety of infections in the elderly patient. Whereas the emergence of resistance is a major problem with the older quinolones such as nalidixic acid, this appears to be a minor problem with the new fluoroquinolones such as norfloxacin or ciprofloxacin. These drugs are bactericidal and are well-absorbed orally. Parenteral preparations should be available in the future. The drugs are particularly active against gram-negative bacilli, including Pseudomonas aeruginosa. The fluoroquinolones are less active against pneumococci, Group A streptococci, Pseudomonas cepacia, and most anaerobes. The drugs appear potentially useful to treat urinary tract infections caused by multiply resistant pathogens, prostatitis, gastrointestinal pathogens, osteomyelitis, gram-negative pneumonia, and sexually transmitted diseases. Adverse effects occur in approximately 10% of patients and include gastrointestinal symptoms and potential central nervous system toxicity in patients receiving theophylline, non-steroidal drugs, or caffeine. The oral quinolones may reduce the costs of treating serious infections in the elderly.

noroxin 400mg tablets 2015-07-31

A total of 654 samples from diarrhoeic livestock and humans were processed for the isolation of Salmonella. All the isolates were subjected to antibiogram studies against 4 Motrin Pills 15 antimicrobials. Representative isolates of S. Typhimurium and S. Enteritidis were phage typed.

noroxin 500 mg 2015-03-26

The frequencies of isolation and susceptibilities to antimicrobial agents were investigated on 732 bacterial strains isolated from patients with urinary tract infections in 11 hospitals during the period of June 1992 to May 1993. Of the above total bacterial isolates, Gram-positive bacteria accounted for 35.4% and a majority of them were Enterococcus faecalis. Gram-negative bacteria accounted for 64.6% and most of them were Escherichia coli. 1. Enterococcus faecalis Ampicillin (ABPC), imipenem (IPM) and vancomycin (VCM) showed the highest activities against E. faecalis isolated from patients with urinary tract infections. The MIC90S of them were 2 micrograms/ml. Piperacillin (PIPC) was also active with the MIC90 of 8 micrograms/ml. The others except chloramphenicol (CP) were not so active with the MIC90S of 32 micrograms/ml or above. 2. Staphylococcus aureus including MRSA VCM showed the highest activities against S. aureus isolated from patients with urinary tract infections. Its MIC90 was 1 microgram/ml. Arbekacin (ABK) was also active with the MIC90 of 2 micrograms/ml. The others were not so active with the MIC90S of 32 micrograms/ml or above. 3. Staphylococcus epidermidis ABK showed the highest activities against S. epidermidis isolated from patients with urinary tract infections. Its MIC90 was 0.5 microgram/ml. Cefotiam (CTM) and VCM were also active with the MIC90S of 2 micrograms/ml. Penicillins except ABPC, gentamicin (GM), clindamycin (CLDM) and quinolones were not so active with the MIC90S of 64 micrograms/ml or above. 4. Streptococcus agalactiae Most of the agents were active against S. agalactiae isolated from patients with urinary tract infections. Penicillins, cephems, erythromycin (EM), and CLDM showed the highest activities. The MIC90S of them were 0.25 microgram/ml or below. Amikacin (AMK) and minocycline (MINO) were not so active with the MIC90S of 32 micrograms/ml or above. 5. Citrobacter freundii IPM showed the highest activities against C. freundii isolated from patients with urinary tract infections. Its MIC90 was 1 microgram/ml. Cefozopran (CZOP) and amikacin (AMK) were also active with the MIC90S of 4 micrograms/ml. Penicillins and cephems generally were not so active. 6. Enterobacter cloacae IPM and GM showed the highest activities against E. cloacae. The MIC90S of them were 0.5 microgram/ml. Ciprofloxacin (CPFX) and tosufloxacin (TFLX) were also active with the MIC90S of 4 micrograms/ml. Penicillins and cephems generally showed lower activities. 7. Escherichia coli Most of the agents were active against E. coli. Flomoxef (FMOX), cefmenoxime (CMX), CZOP, IPM, carumonam (CRMN), norfloxacin (NFLX), ofloxacin (OFLX), CPFX and TFLX showed the highest activities against E. coli. The MIC90S of them were 0.125 microgram/ml or below. Cefotiam (CTM), ceftazidime (CAZ), cefuzonam (CZON) and latamoxef (LMOX) were also active with the MIC90S of 0.25 microgram/ml. Penicillins were not so active with the MIC90S of 32 micrograms/ml or above. 8. Klebsiella pneumoniae Most of the agents were active against K. pneumoniae. FMOX, CMX, CZOP and CRMN showed the highest activities. The MIC90S of them were 0.125 microgram/ml or below. But ampicillin (ABPC) was not so active with the MIC90 of 128 micrograms/ml. 9. Proteus mirabilis Most of the agents were active against P. mirabilis. FMOX, CMX, CAZ, CZON, LMOX, CFIX, CPDX, CRMN, NFLX, CPFX and TFLX showed the highest activities against P. mirabilis isolated from patients with urinary tract infections. The MIC90S of them were 0.125 microgram/ml or below. ABPC and MINO were not so active with the MIC90S of 256 micrograms/ml or above. 10. Pseudomonas aeruginosa Most of the agents were not so active against P. aeruginosa. IPM showed MIC90 of 8 micrograms/ml. Cefclidin (CFCL) and AMK showed Bystolic Alcohol MIC90S o

noroxin tablets 400mg 2016-09-22

Widespread fecal pollution of surface waters in developing countries is a threat to public health and may represent a significant pathway for the global dissemination of antibiotic resistance. The Minjiang River drainage basin in Fujian Province is one of China's most intensive livestock and poultry production areas and is home to several million people. In the study reported here, Escherichia coli isolates (n = 2,788) were sampled (2007 and 2008) from seven surface water locations in the basin and evaluated by PCR for carriage of selected genes encoding virulence factors, primarily for swine disease. A subset of isolates (n = 500) were evaluated by PCR for the distribution and characteristics of class 1 integrons, and a subset of these (n = 200) were evaluated phenotypically for resistance to a range of antibiotics. A total of 666 (24%) E. coli isolates carried at least one of the virulence genes elt, fedA, astA, fasA, estA, stx(2e), paa, and sepA. Forty-one percent of the isolates harbored class 1 integrons, and these isolates had a significantly higher probability of resistance to tobramycin, cefoperazone, cefazolin, ciprofloxacin, norfloxacin, azitromycin, and rifampin than isolates with no class 1 integron detected. Frequencies of resistance to selected antibiotics were as high as or higher than those in fecal, wastewater, and clinical isolates in published surveys undertaken in China, North America, and Europe. Overall, E. coli in the Minjiang River drainage basin carry attributes with public health significance at very high frequency, and these data provide a powerful rationale for investment in source water protection strategies in this important agricultural and urban setting in China.

noroxin generic name 2015-07-22

The in vitro activity of ciprofloxacin, ofloxacin, amifloxacin, and norfloxacin against 22 clinical isolates of Mycobacterium tuberculosis was evaluated by agar dilution. The MICs for 90% of the isolates of ciprofloxacin and ofloxacin were 0.5 and 1 microgram/ml, respectively. Amifloxacin and norfloxacin were less active. The MICs for 90% of the isolates of ciprofloxacin and ofloxacin against 20 clinical isolates of Mycobacterium intracellulare were determined by agar dilution to be 2 and 8 micrograms/ml, respectively.

noroxin cost 2017-12-26

Pediatric infections were treated with norfloxacin (NFLX), a pyridonecarboxylic acid antibiotic developed by Kyorin Co., Ltd., to investigate its clinical efficacy. 1. Thirteen patients were treated with NFLX. These patients included of 5 with Campylobacter enteritis, 4 with Salmonella enteritis, 3 with dysentery and 1 with acute enteritis. 2. Of 14 pathogens identified, complete eradications were observed with 13 strains and partial eradication was seen in 1 case. Thus, overall eradication rate was 92.9%. 3. These were no symptoms nor abnormal laboratory findings which indicated an occurrence of side effect due to the NFLX treatment.

noroxin brand name 2017-10-24

Pseudomonas aeruginosa is an invasive organism that frequently causes severe tissue damage in diabetic foot ulcers. A major problem in P. aeruginosa infection may be that this pathogen exhibits a high degree of resistance to a broad spectrum of antibiotics. The study aimed to isolate and determine the antimicrobial susceptibility patterns of the P. aeruginosa population from diabetes patients with foot ulcers attending tertiary care hospitals in and around Coimbatore and their antimicrobial susceptibility pattern. The study was carried out at the Department of Microbiology, Dr. N.G.P. Arts and Science College, Coimbatore, for a period of one year (June 2006 to April 2007). The present study comprised 270 pus specimens collected from diabetic patients with foot ulcers. All pus samples were subjected to gram staining; bacterial culture and subsequently the antibiotic sensitivity to 15 different antibiotics for the confirmed P. aeruginosa were performed as per the standard procedures. Eighteen strains (14.28%) of P. aeruginosa from 270 diabetic foot ulcers were detected. Almost all the strains exhibited a varying degree of resistance to the antibiotics tested. Multidrug resistance for about 8 to 11 antibiotics was observed among the 55.5% of the isolates. Disk diffusion results show 100% resistance to ampicillin, cefoperazone, erythromycin, norfloxacin, and only cefotaxime, ciprofloxacin exhibited greater activity against Pseudomonas aeruginosa.

noroxin 400mg dosage 2017-09-29

The in vitro activities of nine quinolones (seven fluoroquinolones, nalidixic acid, and acrosoxacin) against methicillin-resistant Staphylococcus aureus (MRSA) were compared with those of the glycopeptides teicoplanin and vancomycin. MICs against 160 strains of ciprofloxacin-susceptible (MIC, less than 2.0 micrograms/ml) MRSA and 40 strains of ciprofloxacin-resistant (MIC, greater than or equal to 2.0 micrograms/ml) MRSA were determined. The following MICs for 50% of the strains tested (in micrograms per milliliter) were obtained for ciprofloxacin-susceptible and -resistant strains, respectively: tosufloxacin, 0.06 and 2.0; ofloxacin, 0.25 and 16; ciprofloxacin, 0.5 and 16; pefloxacin, 0.5 and 32; acrosoxacin, 1.0 and greater than 256; enoxacin, 1.0 and 64; fleroxacin, 1.0 and 32; norfloxacin, 2.0 and 64; nalidixic acid, 64 and 512; teicoplanin, 1.0 and 1.0; vancomycin, 2.0 and 2.0. In mutation rate studies using a range of antibiotic concentrations to reflect those achievable in vivo, resistant mutants grew only on plates containing nalidixic acid (rate of mutation to resistance, 10(-7) to 10(-8) and on plates containing low concentrations of ciprofloxacin, enoxacin, and norfloxacin (rate of mutation to resistance, 10(-8) to 10(-9). In time-kill studies, 99.9% killing was found within 8 h for all of the quinolones tested (norfloxacin and nalidixic acid were not tested). Teicoplanin and vancomycin were less rapidly bactericidal. For the clinical isolates of ciprofloxacin-resistant MRSA, different levels and patterns of quinolone resistance were found. Generally, cross-resistance among the fluoroquinolones was complete; however, incomplete cross-resistance did occur with the nonfluorinated quinolone acrosoxacin.

noroxin dosing 2015-04-25

To investigate the alteration of cell permeability toward fluoroquinolones in Neisseria gonorrhoeae, which is a major quinolone-resistance mechanism along with the alteration of DNA gyrase in gram-negative bacteria. The prevalence of fluoroquinolone-resistant N gonorrhoeae strains is rapidly increasing in Japan.

noroxin norfloxacin generic 2016-10-08

The in-vitro activities of four quinolone carboxylic acids against 423 clinical isolates of Gram-negative rods and staphylococci from infected hospitalised patients were compared. The antibiotics included nalidixic acid and the newer compounds, norfloxacin (MK-0366), ciprofloxacin (Bay 09867) and enoxacin (AT 2266 or CI919). Norfloxacin showed slightly more activity than enoxacin, but both agents had markedly greater potencies and broader antibacterial spectrums than nalidixic acid. Ciprofloxacin was the most active quinolone tested against both gentamicin-susceptible and gentamicin-resistant stains, having an MIC90 equal or less than 1 mg/l for all species studied.

noroxin medication guide 2015-06-06

Methicillin-resistant Staphylococcus aureus (MRSA) is a major nosocomial pathogen globally, including India. Staph. aureus strains isolated from pus or blood of patients during January 1993 to November 1994 were tested for antimicrobial susceptibility using Kirby-Bauer disc diffusion technique. Among 1382 isolates of Staph. aureus, 332 (24%) were MRSA. Among the latter, 97 per cent were resistant to trimethoprim-sulphamethoxazole; 85.5 per cent to gentamicin and 45 per cent to amikacin. While over 90 per cent were resistant to norfloxacin and ciprofloxacin, only 53 per cent were resistant to ofloxacin. Fifty seven per cent were susceptible to rifampicin and 87 per cent to netilmicin. All tested strains were susceptible to vancomycin. Therefore, when antimicrobials other than vancomycin are considered for therapy, their choice requires the results of in vitro susceptibility testing of every isolate of MRSA.

buy noroxin online 2015-05-30

The bacterium type of Vibrio cholerae causing the epidemic outbreak of cholera belonged to the atypical EL Tor variant which was also identified as toxicogenic strain. The mapping of the strains prompted that there should be the common contamination source. Drug sensitivity test can guide the clinical drug use, in order to reduce the emergence of resistant strains.

noroxin generic 2015-12-12

In a coordinated, double-blind multicenter trial among general practitioners, 2,255 consecutive patients with symptoms suggesting urinary tract infection were screened; 886 were randomized to receive 200 mg of norfloxacin (333 patients), 400 mg of norfloxacin (335), or 160 mg/800 mg of trimethoprim-sulfamethoxazole (TMP-SMZ; 218) twice daily for seven days. We analyzed bacteriologic efficacy for 252, 240, and 141 of the patients receiving 200 mg of norfloxacin, 400 mg of norfloxacin, or TMP-SMZ, respectively. The short-term efficacy was 97.5%-98.6%, and the accumulated efficacy was 87.9%-88.8%. In patients with complicated infections and in men, the efficacy for the group receiving 200 mg of norfloxacin was lower than that for the other groups. In patients with recurrent infection, bacterial elimination was greater for those receiving TMP-SMZ. Significantly fewer adverse reactions occurred in patients receiving norfloxacin than in those treated with TMP-SMZ. The 200-mg dosage of norfloxacin seemed to cause fewer side effects than the 400-mg dosage.