What is Mefenamic Acid ?

• Sudden and severe stomach pain, nausea, vomiting, fever, and lightheadedness.
• Unusual bleeding, bruising, or weakness.
• Problems with vision, speech, or walking.
• Shortness of breath, cold sweat, and bluish-colored skin.
• Sudden or severe headache.
• Vomiting blood or something that looks like coffee grounds.
• Swelling in your hands, ankles, or feet.
• Yellowing of your skin or the whites of your eyes.
• Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
• Blistering, peeling, red skin rash
• Bloody or black, tarry stools, severe stomach pain, vomiting blood or material that looks like coffee grounds
• Change in how much or how often you urinate
• Chest pain that may spread, trouble breathing, coughing up blood, unusual sweating, fainting
• Dark urine or pale stools, nausea, vomiting, loss of appetite, stomach pain, yellow skin or eyes
• Numbness or weakness on one side of your body, sudden or severe headache, problems with vision, speech, or walking
• Rapid weight gain, swelling in your hands, ankles, or feet
• Skin rash or blisters with fever.
• Unusual bleeding, bruising, or weakness

• 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, and 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.