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Ponstel (Mefenamic Acid)

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Ponstel is in a group of drugs called nonsteroidal anti-inflammatory drugs (NSAIDs). Ponstel is used for treating menstrual pain. It may be used for short-term (not more than 7 days) treatment of mild to moderate pain. Ponstel blocks the effect of certain substances in the body that are associated with pain and inflammation.

Other names for this medication:

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Celebrex, Voltaren, Dolobid, Lodine, Motrin, Indocin, Orudis, Toradol, Naproxen, Ibuprofen, Diclofenac, Voltaren, Aleve, Advil, Celecoxib, Naprosyn, Motrin, Ketoprofen


Also known as:  Mefenamic Acid.


Ponstel is used for treating menstrual pain. It may be used for short term (not more than 7 days) treatment of mild to moderate pain.

Ponstel blocks certain substances in the body that are linked to inflammation. NSAIDs treat the symptoms of pain and inflammation.

Ponstel is also known as Mefenamic acid, Ponstan.

Generic name of Ponstel is Mefenamic Acid.

Brand name of Ponstel is Ponstel.


Take Ponstel orally.

Take Ponstel with or without food.

Take Ponstel with a full glass of water.

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


If you overdose Ponstel 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. Throw away any unused medicine after the expiration date. Keep out of the reach of children.

Side effects

The most common side effects associated with Ponstel 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 Ponstel if you are allergic to Ponstel components or to aspirin.

Do not take Ponstel if you are pregnant, planning to become pregnant, or are breast-feeding.

Do not take Ponstel if you have had a severe allergic reaction (e.g., severe rash, hives, trouble breathing, growths in the nose, dizziness) to aspirin or a nonsteroidal anti-inflammatory drug (NSAID) (e.g., ibuprofen, celecoxib).

Do not take Ponstel if you have had recent or will be having bypass heart surgery.

Do not take Ponstel if you have kidney problems.

Do not take Ponstel if you have ulcers or inflammation of the stomach or bowel.

Do not use Ponstel with aspirin.

Be careful with Ponstel when it is used by children younger than 14 years old and by elderly people.

Avoid machine driving.

Avoid drinking alcohol.

It can be dangerous to stop Ponstel taking suddenly.

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Analgesic poisoning is a common medical emergency, and these drugs account for about 30% of self-poisoning in adults. Aspirin and paracetamol are taken most often, and can cause significant morbidity and mortality. However, problems with the hepatotoxicity of paracetamol have been greatly reduced by the introduction of effective treatment with agents such as N-acetylcysteine. The non-steroidal anti-inflammatory analgesics are not commonly taken in overdosage but the incidence of self-poisoning with mefenamic acid is increasing at an alarming rate. With the exception of phenylbutazone and mefenamic acid these drugs rarely seem to cause serious toxicity. The narcotic analgesics can cause profound respiratory depression and are the most dangerous drugs in overdosage.

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A fatal case attributed to amlodipine intoxication is presented. The deceased was a 15-year-old girl who allegedly ingested 14 10-mg Istin tablets. Amlodipine concentration in peripheral blood was determined (2.7 mg/L) and was compared with published therapeutic and toxic data for amlodipine and some other dihydropyridine calcium channel-blocking agents. Amlodipine concentrations in liver, blood, and stomach contents were also determined.

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The design, preparation and performance for novel UV-light absorbing (room-temperature) ionic liquid matrices (UV-RTILMs) for matrix assisted laser desorption/ionization mass spectrometry (MALDI-MS) were reported. A series of UV-RTILMs was prepared by ultrasonication of equimolar of acid (mefenamic acid) and bases (aniline (ANI), pyridine (Pyr), dimethyl aniline (DMANI) and 2-methyl picoline (2-P)). The UV-RTILMs have not only significant absorbance at the desired wavelength (337 nm of the N2 Laser), but also have available protons that can easily undergo proton transfer reactions to ionize the target molecules. The novel UV-RTILMs have the ability to ionize different and wide classes of compounds such as drugs, carbohydrate, and amino acids. The new UV-RTILMs series have been successfully and selectively applied for biosensing the lysates of pathogenic bacteria in the presence of the cell macromolecules. A new strategy for biosensing pathogens was presented via sensing the pathogens lysate in the cell suspension. The new materials can effectively detect the bacterial toxins without separation or any pretreatment. They offered excellent ionization of labile oligosaccharides with protonated peaks. They could significantly enhance the analyte signals, produce homogeneous spotting, reducing spot-to-spot variation, excellent vacuum stability, higher ion peak intensity, and wide application possibility. The physical parameters such as molar refractivity, molar volume, parachor, surface tension, density and polarizability were calculated and tabulated. The new UV-RTILMs could offer excellent reproducibility and great repeatability and they are promising matrices for wide applications on MALDI-MS.

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Randomized (or quasi-randomized) controlled trials (RCTs) comparing ibuprofen to placebo or indomethacin or mefenamic acid for therapy of PDA were identified by searching the Cochrane Controlled Trials Register (Issue 4, 2002), MEDLINE (1996 - January 2003), CINAHL (1982 - November 2002), EMBASE (1980 - January 2002), reference lists of published RCTs and abstracts from the Pediatric Academic Societies and the European Society for Pediatric Research meetings published in Pediatric Research (1991 - 2002). No language restrictions were applied.

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Lornoxicam 5'-hydroxylation displayed single enzyme Michaelis-Menten kinetics, with a KM of 3.6 mu mol center dot l-1 and a Vmax of 2.6 nmol center dot h-1 center dot mg-1 microsomal protein. The apparent affinity of lornoxicam was high for CYP2C9, but negligible for CYP3A4 and CYP2D6. Inhibition of lornoxicam 5'-hydroxylation by CYP2C9 substrates and sulphaphenazole competitively and completely inhibited lornoxicam 5'-hydroxylation (Ki = 0.31 mu mol center dot l-1 as well as lornoxicam clearance (Ki = 0.33 mu mol center dot l-1), partial metabolic clearance (fm) = 0.95).

ponstel s medicine

A 17-year-old schoolboy was admitted to hospital because of one-sided pelvic pain of uncertain aetiology and fever gradually rising over several days. Bacteriological analysis of blood cultures, skeletal scintigraphy and computed tomography revealed sacroiliitis caused by Salmonella cholerae-suis. Specific antibiotic treatment quickly stopped all symptoms and cured the infection. Radiologically there remained sclerosis of the sacro-iliac joint.

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A simple and sensitive high-performance liquid chromatographic method for simultaneous determination of ketoprofen and mefenamic acid in tablets has been developed. HPLC with UV detection (220 nm) was performed on an analytical column packed with molecularly imprinted polymer (MIP) as the stationary phase. The MIPs are prepared by bulk polymerisation followed by crushing and sieving to the desired particle size. In this paper, we selected ketoprofen, methacrylic acid, and ethylene glycoldimethacrylate as template, functional monomer, and crosslinker in the presence of chloroform as the solvent. The retention times of mefenamic acid and ketoprofen were approximately 5 and 20 min, respectively. In order to compare the chromatographic data from the stationary phase, separation factors (alpha) were given. The values of alpha were 4.36 approximately 4.39 and showed that the MIPs were able to recognize structurally subtle differences from the template molecule. The limits of detection for ketoprofen and mefenamic acid were found to be 0.029 and 0.038 (g/L), while the limits of quantitation were 0.097 and 0.127 (g/L), respectively. Our results showed good accuracy, indicating that a ketoprofen-selective polymer was suitable for ketoprofen and mefenamic acid separations. Therefore, the MIPs are certainly applied to commercial tablet analysis.

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This ouble-blind clinical trial was carried out in 105 students with mild and moderate dysmenorrhea. The students were randomly divided into four groups which received the extracts of fennelin and vitagnus, mefenamic acid, and placebo, respectively. Severity of pain was detected by the Visual Analog Scale (VAS) during one cycle before and two cycles after the intervention. Data were analyzed by SPSS version 16 and (P < 0.05 was considered significant.

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Dosage was two capsules, three times daily, of mebeverine, mefenamic acid or placebo. Each mebeverine capsule contained 135 mg mebeverine hydrochloride, and each mefenamic acid capsule contained 250 mg mefenamic acid. Paracetamol (up to 2 x 500 mg) was permitted, if required, as rescue analgesia.

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Pain monitoring is often inadequate in the ambulant field to assure therapy results. Today NSAID take the centre in acute pain and inflammation control in dental interventions. Compared to conventional non-selective NSAID modern selective Cyclooxygenase-2 inhibitors (COX-2) provide the potential for improved compatibility and simplified medication with heightened effectiveness in acute postoperative toothaches. The aim of this study was to compare the effect of selective COX-2 inhibitors with NSAID after operative wisdom tooth extraction in 30 ambulant patients. The pain curve under mefenamine acid showed a significant increase during the first 48 hours after extraction. With rofecoxib a continuous pain decrease with the lowest stand 48 hours after intervention was registered. One week after extraction the patient's satisfaction was in favour of rofecoxib, which showed a clearly prolonged analgetic effect over 24 hours. Additionally rofecoxib as a COX-2 selective inhibitor doesn't bear the risk for severe non-anticipatable gastrointestinal side effects or prolonged bleeding after surgical intervention.

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Rat pleurisy was induced by intrapleural injection of 0.1 ml of 1% kaolin or 1% croton oil, and the time courses of pleural fluid accumulation and white cell migration were examined. Peak pleural fluid accumulation was observed at respectively 5 and 16 h after the inciter injection. Migration of white cells into the pleural cavity showed a peak at respectively 7 or 24 h after each inciter. Polymorphonuclear leukocytes were predominant in pleural cells of kaolin pleurisy at 3 h, while in croton-oil pleurisy the major white cells were mononuclear cells and lymphocytes at 3 h, and polymorphonuclear leukocytes appeared later around 16 h. Pretreatment with several agents modified both types of induced pleurisy. Kaolin pleurisy at 3 h was suppressed by indomethacin, mefenamic acid, paramethasone, bromelain and soy-bean trypsin inhibitor, while croton oil pleurisy at 3 h was suppressed significantly by indomethacin and paramethasone.

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The objectives of this study were 1) to obtain information regarding the prescribing pattern of nonsteroidal anti-inflammatory drugs (NSAIDs) in the primary care setting at a Malaysian university, 2) to determine the prevalence and types of potential NSAID prescription related problems (PRPs), and 3) to identify patient characteristics associated with exposure to these potential PRPs.

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A survey using a self-developed, validated, objective, and structured questionnaire as a tool was conducted among subjects with PD. Statistical analysis was carried out using Chi-square test and ANOVA with post-hoc Tuckey's test.

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Diltiazem (DTZ) is a well-known cardiovascular drug used clinically in the treatment of angina pectoris and hypertension. Present paper deals with the in vitro availability studies of DTZ in presence of commonly used nonsteroidal anti-inflammatory drugs (NSAID's) like diclofenac sodium, flurbiprofen, mefenamic acid and meloxicam. Simultaneous administration of both types of drugs may alter the antihypertensive effect of DTZ. These studies were carried out using BP 2005 dissolution test apparatus in simulated human body environments at body temperature and at elevated temperature in order to study the kinetics and energitics of these interactions. Both the drug in each case were analyzed either by measuring the absorbance of aliquots on a UV/VIS spectrophotometer, or by RP-HPLC method. Present study clearly indicated that most of the NSAID's studied bind to DTZ forming charge transfer complexes, evident from the high availability of DTZ. Hence, concurrent administration of NSAID's with DTZ is not recommended.

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Scutellariae Radix (SR), the dried root of Scutellariae baicalensis Georgi, has a lot in common with non-steroidal anti-inflammatory drugs (NSAIDs). Their similarities in therapeutic action (anti-inflammation) and metabolic pathways (phase II metabolisms) may lead to co-administration by patients with the potential of pharmacokinetic and/or pharmacodynamic interactions. The current study aims to investigate the potential interactions between SR and an NSAID, mefenamic acid (MEF), on the overall pharmacokinetic dispositions, anti-inflammatory effects and adverse effects in rats.

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A randomized double-blind trial was carried out in an accident and emergency department to reassess mefenamic acid as a suitable alternative analgesic to the combination of dextropropoxyphene plus paracetamol. Analysis of data from 87 patients showed that mefenamic acid was equally effective in relieving pain and was less likely to produce adverse side-effects.

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A patent ductus arteriosus (PDA) complicates the clinical course of preterm infants, increasing their risks of developing chronic lung disease (CLD), necrotizing enterocolitis (NEC), and intraventricular hemorrhage (IVH). Indomethacin is used as standard therapy to close a PDA, but is associated with reduced blood flow to the brain, kidneys and gastrointestinal tract. Ibuprofen, another cyclo-oxygenase inhibitor, may be as effective as indomethacin, with fewer side effects.

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Male and female mice were administered 6 sunitinib doses (60 mg/kg) PO every 12 h and 30 min before the last dose were administered vehicle (control groups), 250 mg/kg paracetamol, 30 mg/kg diclofenac, 50 mg/kg mefenamic acid or 30 mg/kg ibuprofen (study groups), euthanized 6 h post last administration and sunitinib plasma, liver, kidney, brain concentrations analyzed.

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Minimal pharmacokinetic interaction between SR extract and MEF was observed. Co-administration of SR extract and MEF did not significantly alter the plasma concentration-time profile or the pharmacokinetic parameters such as Cmax, AUC0→24, Tmax or clearance. Pharmacodynamic interaction via the COX-2 pathway was observed. The PGE2 level in LPS-stimulated RAW264.7 cells treated with plasma collected from control group over the 24h sampling (AUC0→24[PGE2]) was 191981±8789pg/mlhr, which was significantly reduced to 174,780±6531 and 46,225±1915pg/mlhr by plasma collected from rats administered with SR extract and MEF, respectively. Co-administration of SR extract and MEF further potentiated the PGE2 inhibition, with an AUC0→24[PGE2] of 37013±2354pg/mlhr (p<0.05, compared to SR or MEF group). By analyzing the COX-2 gene expression, SR extract significantly prolonged the COX-2 inhibitory effect of MEF over the 24h (p<0.05). Furthermore, the MEF-induced stomach ulcer after the 5-day treatment, as evidenced by the increased gross ulcer index and sum of lesion length (p<0.05, compared to control), could be alleviated by co-administration with SR extract (p<0.05).

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Sorption is a key factor in determining the persistence, attenuation and bioavailability of sediment-associated contaminants. However, our understanding of the sorption behaviour of pharmaceuticals in sediments is poor. In this study, we investigated the sorption behaviour of a diverse set of pharmaceuticals in a range sediment types. Sorption affinity of pharmaceuticals for all sediments was found to increase in the order mefenamic acid

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The objectives of this study were to assess the bioavailability of an optimized mephenamic acid (MFA) microspheres (test) against a Ponstan® capsule (reference) in healthy volunteers, and to establish a correlation with in vitro parameters.

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The 33-year-old woman was violently beaten and suffered from concussion of the upper abdomen. Because of pain she took mefenamic acid for two days. Then she reported hematemesis, melena and vertigo. The value for hemoglobin was determined as 5.8 g/dl. Acute blood loss was suspected, but neither intraabdominal nor upper gastrointestinal hemorrhage could be detected. Further investigations revealed a Coombs-negative hemolytic anemia and thrombocytopenia, and microangiopathic hemolysis was suggested by the detection of fragmentocytes in a peripheral blood smear. The diagnosis of thrombotic thrombocytopenic purpura (TTP) was made, though the patient did not suffer from manifestations of impaired microcirculation like neurological symptoms or renal failure. The TTP was found to be associated with HIV infection. The hematological disease responded well to the treatment with fresh-frozen plasma.

ponstel drug interaction

Neonatal lupus is a unique clinical entity characterized primarily by cutaneous or cardiac injury. Dermatitis usually resolves without significant residual effects but heart block may be irreversible and life threatening during the neonatal period. SS-A/Ro and/or SS-B/La antibodies of maternal origin are present in the serum of the mother and affected infant and are markers for this syndrome. For many mothers breast feeding is the preferred choice for infant nutrition. With proper guidance, lactating mothers may safely use several antirheumatic medications such as ibuprofen, piroxicam, flurbiprofen, diclofenac, mefenamic acid, prednisone, sulfasalazine, and methotrexate.

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Randomised controlled trials in women of reproductive age treated with antifibrinolytic agents versus placebo, no treatment or any other medical (non-surgical) therapy for regular heavy menstrual bleeding within either the primary, family planning or specialist clinic settings. Women with post menopausal bleeding, intermenstrual bleeding, iatrogenic or pathological causes of heavy menstrual bleeding were excluded.

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Sixty patients with primary dysmenorrhea were enrolled in this prospective, open-labeled, randomized, standard-controlled study, conducted in the National Institute of Unani Medicine Hospital between February 2010 and April 2011. In group A (20 cases), 3 g powder of fenugreek seed (3 capsules, 1 g each) was given orally twice daily from day 1 to 3 of menstrual cycle. Group B (20 cases) received the same dose of fenugreek seed as group A along with dry cupping therapy [two 4.2-cm and one 2.5-cm cups (internal diameter)], which was applied below the umbilicus for 15 min on day 1 and day 3 of menstrual cycle for 3 consecutive months. The control group C (20 cases) was given mefenamic acid, 500 mg twice daily, on the same protocol. The reduction in menstrual pain intensity was measured with well validated Visual Analogue Scale and safety of fenugreek seed was evaluated by clinical examination and laboratory investigations.

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ponstel suspension 2016-02-16

Beta-sitosterol and beta-sitosteryl-beta-D-glucoside were isolated as analgesic constituents from the leaves of Mentha cordifolia Opiz. The acetic acid-induced writhing test showed that beta-sitosterol and beta-sitosteryl-beta-D-glucoside decreased the buy ponstel number of squirms induced by acetic acid by 70.0% and 73.0%, respectively, at a dose of 100 mg / kg mouse. Statistical analysis using the Kruskall Wallis one-way analysis of variance by ranks showed that these isolates approximate the analgesic activity of mefenamic acid at a 0.001 level of significance. The hot plate method confirmed their analgesic activities, as beta-sitosterol and beta-sitosteryl-beta-D-glucoside exhibited a 300% and 157% increase in pain tolerance, respectively, while mefenamic acid, a known analgesic, showed a 171% increase. Neither isolate exhibited antiinflammatory activity using the carrageenan-induced mouse paw oedema assay. Beta-sitosterol also exhibited anthelminthic and antimutagenic activities. In vitro tests using live Ascaris suum as test animals showed that the behaviour of worms treated with beta-sitosterol approximated that of the positive controls, Combantrin and Antiox. An in vivo micronucleus test showed that beta-sitosterol inhibited the mutagenicity of tetracycline by 65.3% at a dose of 0.5 mg /kg mouse. At the same dose, it did not exhibit chromosome-breaking activity.

ponstel dosage dysmenorrhea 2016-04-18

AUTOANTIBODY PRODUCTION: The production of autoantibodies can only occur if immune tolerance is circumvented. Thus drug-induced autoimmune hemolytic anemia requires that the buy ponstel drug have an effect on both autoantigens and on the immune system. AN EXAMPLE, METHYLDOPA: Methyldopa is a hypotensive agent which induces major production of anti-Rh IgG anti-erythrocyte autoantibodies, anti-nuclear antibodies and anti-actin antibodies. These autoantibodies generally appear 6 months after treatment onset and are observed in 20% of treated patients. Hemolysis is however exceptional and is only clinically or biologically perceptible in 1 to 2% of the patients who become immunized. Induced lupus has been reported as have been several dozen cases of drug-induced hepatitis with anti-actin autoantibodies. DRUGS INDUCING HEMOLYTIC ANEMIA: Besides methyldopa, other drugs known to induce hemolytic anemia include levodopa used for Parkinson's disease, mefenamic acid, a nonsteroidal antiinflammatory drug, interferon-alpha, used in chronic viral hepatitis, cyclosporin used for the prevention of graft rejection and the treatment of certain autoimmune diseases, and fludarabin, used in chronic lymphoid leukemia.

ponstel 250mg capsules 2015-10-01

This research showed that celecoxib, buy ponstel indometacin, and mefenamic acid have the cytotoxic effects on KB, Saos-2, 1321N and U-87MG cell lines. Therefore, it appears that these drugs can be considered as anti-neoplastic agents in the experimental phase.

ponstel drug interactions 2016-07-29

The antipyretic activity of three N-aryl-anthranilic acid derivatives, mefenamic acid, tolfenamic acid and flufenamic acid, was compared and their optimal antipyretic dose determined in a trial in 87 children (aged 5 months to 15 years), who suffered from infections and fever exceeding 38.5 degrees C. Tolfenamic acid proved to be the most potent antipyretic agent of the three drugs; it was eight times more powerful than mefenamic acid and three times more powerful than flufenamic acid. The optimal antipyretic doses were: mefenamic acid 4 mg/kg, tolfenamic acid 0.5 mg/kg and flufenamic acid 1.5 mg/kg. It is evident that the antipyretic activity of these anthranilic acid derivatives is even greater buy ponstel than their antirheumatic effect, the difference being most noticeable in the case of tolfenamic acid.

ponstel capsule 2015-02-17

To determine the effectiveness, acceptability and safety of progesterone or progestogen-releasing intrauterine devices in buy ponstel achieving a reduction in heavy menstrual bleeding.

ponstel s syrup 2016-08-31

Each drug alone produced a dose-dependent suppression of the late stage of formalin-induced behaviors with rank order of potency being rofecoxib > mefenamic acid > S-methylisothiourea. Isobolographic analysis of the combination of S-methylisothiourea with rofecoxib or mefenamic acid revealed a synergistic interaction. The experimental ED50 of the combination was significantly lower than the theoretical additive ED50 of the corresponding drug combination that substantiated the synergistic interaction between iNOS or NO and buy ponstel COX isoforms.

ponstel medication dosage 2016-07-09

The bioavailability and pharmacokinetics of mefenamic acid was studied in alloxan-diabetic rabbits. Mefenamic acid in plasma was assayed buy ponstel by high performance liquid chromatography. A paired t-test for normal and alloxan treated rabbits revealed a significant decrease in all the bioavailability and disposition kinetic parameters of mefenamic acid during diabetes was observed in the present study. The altered bioavailability and disposition of mefenamic acid in the diabetic state will require adjustment of the dosage regimen prescribed for diabetics in a clinical setting.

ponstel 250 capsule 2015-06-06

The effect of hemodialysis on plasma mefenamic acid levels was studied in four patients on long-term hemodialysis. A 500-mg oral dose of mefenamic acid was administered to the fasting patients two hours before hemodialysis. Arterial and venous blood samples taken before dialysis, at 30-minute intervals during a three-hour dialysis, and immediately before termination of dialysis were assayed by high-performance liquid chromatography. Mefenamic acid half-life on hemodialysis was not reduced substantially compared with that reported for normal patients. The extraction efficiency of the hollow-fiber kidneys averaged 6.4%. The mean drug recovery was 1.03 mg or 0.2% of the administered dose. The extensive plasma protein binding (range: 85-97%) accounted for the poor recovery. The buy ponstel study suggests that adjustment of mefenamic acid dosage is not necessary in patients undergoing hemodialysis and that hemodialysis is of minimal value in the management of mefenamate overdose.

ponstel capsules 2015-01-27

Trichloroethylene (TCE) is a widely used chemical to which humans are frequently exposed. Toxicological interactions with drugs are among factors having the potential to modulate the toxicity of TCE. The aim of this study was to identify metabolic interactions between TCE and 14 widely used drugs in rat suspended hepatocytes and characterize the strongest using microsomal assays (oxidation and/or glucuronidation). The concentrations of buy ponstel TCE and its metabolites, trichloroethanol (TCOH) and trichloroacetate (TCA), were measured by gas chromatography with injection headspace coupled to mass spectrometry (GC-MS). Results in hepatocyte incubations show that selected drugs can be segregated into four groups: group 1: drugs causing no significant interactions (five drugs: amoxicillin, carbamazepine, ibuprofen, mefenamic acid and ranitidine); group 2: increasing both TCE metabolites (two drugs: naproxen and salicylic acid); group 3: decreasing both TCE metabolites (five drugs: acetaminophen, gliclazide, valproic acid, cimetidine and diclofenac) and group 4: affecting only one (two drugs: erythromycin and sulphasalazine). Naproxen and salicylic acid (group 2) and acetaminophen, gliclazide and valproic acid (from group 3) presented the strongest interactions (i.e. drugs changing metabolite levels by 50% or more). For group 2 drugs, characterization in rat microsomes confirmed interaction with naproxen only, which was found to partially competitively inhibit TCOH glucuronidation (K(i) = 211.6 μM). For group 3 selected drugs, confirmation was positive only for gliclazide (K(i) = 58 μM for TCOH formation) and valproic acid (K(i) = 1215.8 μM for TCA formation and K(i) = 932.8 μM for TCOH formation). The inhibition was found to be partial non competitive for both drugs. Our results confirm the existence of interactions between TCE and a variety of widely used drugs. Further efforts are undertaken to determine if these interactions are plausible in humans and if they can impact the risk of toxicity of TCE in medicated population.

ponstel pills 2016-10-23

The stabilization mechanism of a supersaturated solution buy ponstel of mefenamic acid (MFA) from a solid dispersion with EUDRAGIT(®) EPO (EPO) was investigated.

ponstel dose 2015-11-16

Equine ChE and rat brain homogenate were incubated with NSAIDs buy ponstel and horseradish peroxidase (HRP) and H(2)O(2) (HRP-H(2)O(2)). ChE activity was measured by using 5,5'-dithiobis(nitrobenzoic acid). By using electron spin resonance, NSAID radicals induced by reaction with HRP-H(2)O(2) were detected in the presence of spin trap agents.

ponstel 250 mg 2017-10-22

The wastewater contamination of a Swiss university hospital by active pharmaceutical ingredient (API) residues was evaluated with a three months monitoring campaign at the outlet of the main building. Flow-proportional samples were collected with an automatic refrigerated sampler and analyzed for 15 API, including antibiotics, analgesics, antiepileptic and anti-inflammatory drugs, by using a validated LC-MS/MS method. The metals Gd and Pt were also analyzed using ICP-MS. Measured concentrations were compared to the predicted ones calculated after the drug average consumption data obtained from the hospital pharmacy. The hospital contribution to the total urban load was calculated according to the consumption data obtained from city pharmacies. Lastly, the environmental hazard and risk quotients (RQ) related to the hospital fraction and the total urban consumption were calculated. Median concentrations of the 15 selected compounds were ranging from buy ponstel 0.04 to 675 μg/L, with a mean detection frequency of 84%. The ratio between predicted and measured environmental concentrations (PEC/MEC) has shown a good accuracy for 5 out of 15 compounds, revealing over- and under-estimations of the PEC model. Mean daily loads were ranging between 0.01 and 14.2g/d, with the exception of paracetamol (109.7 g/d). The hospital contribution to the total urban loads varied from 2.1 to 100% according to the compound. While taking into account dilution and removal efficiencies in wastewater treatment plant, only the hospital fraction of the antibiotics ciprofloxacin and sulfamethoxazole showed, respectively, a high (RQ>1) and moderate (RQ>0.1) risk for the aquatic ecosystems. Nevertheless, when considering the total urban consumption, 7 compounds showed potential deleterious effects on aquatic organisms (RQ>1): gabapentin, sulfamethoxazole, ciprofloxacin, piperacillin, ibuprofen, diclofenac and mefenamic acid. In order to reduce inputs of API residues originating from hospitals various solutions can be envisioned. With results of the present study, hospital managers can start handling this important issue.

ponstel dosing 2016-11-01

The effects of five nonsteriodal prostaglandin (PG) synthetase inhibitors on the electrocorticogram were studied in rats with chronically implanted supracortical electrodes. All of PG synthetase inhibitors produced high voltage activity in the electrocorticogram. However, behavior and spectral analysis of the electrocortical activity suggests that these drugs could be divided into two groups. Meclofenamic acid and mefenamic acid produced dose-related increases in excitation (to seizure) while buy ponstel ibuprofen, paracetamol and indomethacin produced dose-related increases in sedation.

ponstel drug interaction 2015-03-07

A double-blind three-way crossover design in the treatment of dysmenorrhea comparing a propionic acid derivative (ibuprofen) and a fenamate (mefenamic acid) with a placebo showed that both ibuprofen and mefenamic acid are generally superior to placebo. Statistically significant results were obtained in favor of the study drugs over placebo for the pain relief afforded by the treatments (as graded by patients) and the visual analog pain relief score, which not only ranks but also indicates the degree of pain relief as a percentage of total relief (100%). Pairwise comparisons for the ranks found mefenamic acid significantly superior to placebo (P less than .001) and ibuprofen marginally superior to placebo (P less than .06), while the visual analog pain relief scale demonstrated mefenamic acid and ibuprofen superior to placebo (P less than .001 and P less than .01, respectively). For both the patient ranking of pain relief by treatment and the visual analog pain relief scale, the results showed no significant differences between ibuprofen and mefenamic acid. Side effects occurred in 11 ibuprofen cycles, five mefenamic acid cycles, and ten placebo cycles of the 48 cycles with buy ponstel each agent. These were generally of minor severity or importance and were not statistically different. The need for additional analgesics and the ability to pursue normal daily activity were not different for any treatment group. The findings of this study indicate no clinical difference between a propionic acid derivative such as ibuprofen and a fenamate such as mefenamic acid in the treatment of dysmenorrhea.

ponstel 250 reviews 2017-02-22

Studies have been carried out on the effect of pH (from pH 11.33 to H(O) = -4.65) on the UV spectrum of mefenamic acid. The dissociation constant pKa was found to be 4.55 +/- 0.06 Persantine Dose and the protonation constant pK(2) was -1.78 +/- 0.18 in methanol-aqueous media. Mefenamic acid was determined spectrophotometrically by formation of a coloured complex (2:5) with Fe(III). At 495 nm Beer's law was followed for the concentration range 96.52 to 579.12 mug ml(-1).

ponstel syrup children 2017-11-30

Dysmenorrhoea is painful menstruation that occurs in 45-72% of all women. This was a prospective randomised study of the efficacy of etoricoxib (Arcoxia) compared with mefenamic acid (Ponstan) in treating primary Tofranil 5 Mg dysmenorrhoea. All single, sexually inactive women with primary dysmenorrhoea were randomised into two groups (mefenamic acid and etoricoxib) of pain relief and underwent a cross-over study. The success of treatment as evidenced by pain relief, the side-effects and complications were observed and analysed. Some 80% (20 women) had significantly better pain relief with etoricoxib, compared with only 20 per cent in the mefenamic acid group (p = 0.007). Etoricoxib has significantly fewer side-effects compared with mefenamic acid (p = 0.005) with significantly reduced menstrual blood loss (p = 0.025). In conclusion, etoricoxib is a better treatment for primary dysmenorrhoea with better pain relief, less menstrual blood loss and fewer side-effects compared with mefenamic acid.

ponstel syrup 2015-12-17

A cross-sectional descriptive study at the Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand that included 552 female medical students who were asked to complete two questionnaires. The first questionnaire (32 items) included demographic data, menstrual pattern, severity of dysmenorrhea, pain score, impact of dysmenorrhea on daily and academic activities, the method and knowledge of medications to treat dysmenorrhea. The second questionnaire was Short Form (SF)-36 questionnaires used to evaluate the health-related Lioresal 2 Mg quality of life.

ponstel dosage 2016-05-05

We searched the Cochrane Menstrual Disorders & Subfertility Group trials register, the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE, EMBASE, and CINAHL in July 2012 and Benicar User Reviews reference lists of articles. We also contacted manufacturers and researchers in the field.

ponstel s medicine 2017-08-12

It has been clear from the above result that R. emodi is an effective herb in alleviating symptoms of primary dysmenorrhoea. It can serve as an alternative treatment without any Ventolin Max Dose apparent side effects. These results deserve further investigations.

ponstel cost 2017-12-08

Effect of eleven non-steroidal anti-inflammatory drugs on the acyl-CoA synthetase activities toward octanoic, palmitic, arachidonic and docosahexaenoic acids was evaluated in mouse liver and brain mitochondria. The drugs tested were aspirin, salicylic acid, diflunisal, mefenamic acid, indomethacin, etodolac, ibuprofen, ketoprofen, naproxen, loxoprofen, flurbiprofen. In mouse liver mitochondria, diflunisal and mefenamic acid exhibited the inhibitory activities not only for octanoic acid (IC Tab Hytrin 2mg (50) = 78.7 and 64.7 µM) and but also for palmitic acid (IC(50) = 236.5 and 284.4 µM), respectively. Aspirin was an inhibitor for the activation of octanoic acid only (IC(50) = 411.0 µM). In the brain, mefenamic acid and diflunisal inhibited strongly palmitoyl-CoA formation (IC(50) = 57.3 and 114.0 µM), respectively. The activation of docosahexaenoic acid in brain was sensitive to inhibition by diflunisal and mefenamic acid compared with liver.