Mefenamic Acid

Alternate Name: Ponstel

Description: Mefenamic Acid is a nonsteroidal anti-inflammatory drug prescribed for the treatment of patients with mild to moderate pain. Mefenamic Acid is a generic drug. Mefenamic Acid costs around $105 for a supply of 30, 250 mg capsules, but there are ways to save money. You can use our LowerMyRx Mefenamic Acid savings card to save significantly on the retail price at participating pharmacies near you.

Dosage Form: Capsule

Administration Route: By mouth

Drug Class: Analgesic, Antimigraine, Central Nervous System Agent

Generic Available: Yes

Strength: 250 MG

Warnings: Tell your doctor if you are pregnant. Do not use this medicine during the later part of a pregnancy, unless your doctor tells you to. Tell your doctor if you are breastfeeding, or if you have kidney disease, liver disease, asthma, high blood pressure, heart or blood vessel problems, heart failure, a recent heart attack, or a history of stomach ulcers or bleeding problems. Tell your doctor if you smoke or drink alcohol. This medicine may cause the following problems:Increased risk of blood clots, heart attack, stroke, or heart failureStomach or bowel problems (including bleeding, ulcers, or perforation)Liver problemsHigh blood pressureKidney problemsSerious skin reactions, including exfoliative dermatitis, Stevens-Johnson syndrome, toxic epidermal necrolysis, fixed drug eruption (FDE), and generalized bullous fixed drug eruption (GBFDE)Drug reaction with eosinophilia and systemic symptoms (DRESS) This medicine may cause a delay in ovulation for women and may affect their ability to have children. If you plan to have children, talk with your doctor before using this medicine. Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results. Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments. Keep all medicine out of the reach of children. Never share your medicine with anyone. Liver problems may occur while you are using this medicine. Stop using this medicine and check with your doctor right away if you are having more than one of these symptoms: abdominal pain or tenderness; clay-colored stools; dark urine; decreased appetite; fever; headache; itching; loss of appetite; nausea and vomiting; skin rash; swelling of the feet or lower legs; unusual tiredness or weakness; or yellow eyes or skin. Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments. This medicine may make your skin more sensitive to sunlight. Wear sunscreen. Do not use sunlamps or tanning beds. Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results. Skin rash or blisters with fever. Sudden and severe stomach pain, nausea, vomiting, fever, and lightheadedness. Sudden or severe headache. Swelling in your hands, ankles, or feet. Unusual bleeding, bruising, or weakness. Vomiting blood or something that looks like coffee grounds. Yellowing of your skin or the whites of your eyes.

Food Warnings: Do not use aspirin or any other NSAID medicine (including diflunisal, ibuprofen, naproxen, salsalate) unless your doctor says it is okay., Some medicines can affect how mefenamic acid works. Tell your doctor if you are using any of the following:Aspirin, cyclosporine, digoxin, fluconazole, lithium, methotrexate, pemetrexed, trimethoprimBlood pressure medicine (including ACE inhibitors, ARBs, beta blockers)Blood thinner (including warfarin)Diuretic (water pill)Medicine to treat depression (including SNRIs, SSRIs)Steroid medicineStomach medicine (including antacids), Do not drink alcohol while you are using this medicine., This medicine may cause bleeding in your stomach or intestines. This is more likely if you have had a stomach ulcer in the past, if you smoke or drink alcohol regularly, if you are over 60 years old, if you are in poor health, or if you are using certain other medicines (a steroid medicine or a blood thinner)., You should not use mefenamic acid for more than 7 days unless your doctor tells you to., This medicine may cause a serious type of allergic reaction called anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention. Call your doctor right away if you have a rash; itching; hoarseness; trouble breathing; trouble swallowing; or any swelling of your hands, face, or mouth while you are using this medicine., Serious skin reactions can occur with this medicine. Check with your doctor right away if you have blistering, peeling, or loosening of the skin; red skin lesions; severe acne or skin rash; sores or ulcers on the skin; or fever or chills while you are using this medicine., Liver problems may occur while you are using this medicine. Stop using this medicine and check with your doctor right away if you are having more than one of these symptoms: abdominal pain or tenderness; clay-colored stools; dark urine; decreased appetite; fever; headache; itching; loss of appetite; nausea and vomiting; skin rash; swelling of the feet or lower legs; unusual tiredness or weakness; or yellow eyes or skin., Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments., This medicine may make your skin more sensitive to sunlight. Wear sunscreen. Do not use sunlamps or tanning beds., Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.