Ask your pharmacist how to dispose of medications that are no longer needed or have expired.The side effects listed below are not experienced by everyone who takes this medication. Medicines that can potentially lead to mefenamic acid drug interactions include lithium, ACE inhibitors, corticosteroids, and certain herbal or nutritional supplements. These conditions can occur without warning while you are using mefenamic acid, especially in older adults.You should not take mefenamic acid if you already have stomach bleeding or an active ulcer, or a bowel disorder such as Mefenamic acid can increase your risk of fatal heart attack or stroke, especially if you use it long term or take high doses, or if you have heart disease. Do not take extra medicine to make up the missed dose.Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.Avoid drinking alcohol. We comply with the HONcode standard for trustworthy health information - If you miss a dose, take it as soon as possible and continue with your regular schedule. Ask your doctor or pharmacist if you have any questions.Take the missed dose as soon as you remember. Mefenamic acid belongs to the class of medications called Mefenamic acid relieves pain and inflammation as long as it is being taken, however it does not correct the cause of the pain.Each yellow and blue capsule, with "250" marked on it contains 250 mg of mefenamic acid. The following side effects have been reported by at least 1% of people taking this medication. Many of these side effects can be managed, and some may go away on their own over time.Contact your doctor at once if you experience signs of an allergic reaction, such as skin rash, itching, difficulty breathing or swelling of the face and throat.Report any fluid retention, swelling or puffiness in the legs, feet or hands, or any difficulty breathing, to your doctor as soon as possible.People with kidney disease or reduced kidney function should discuss with their doctor how this medication may affect their medical condition, how their medical condition may affect the dosing and effectiveness of this medication, and whether any special monitoring is needed.If you experience symptoms of liver problems such as fatigue, feeling unwell, loss of appetite, nausea, yellowing of the skin or whites of the eyes, dark urine, pale stools, abdominal pain or swelling, and itchy skin, contact your doctor immediately.People who easily experience irritation of the stomach and intestines, have had a stomach ulcer in the past or have another inflammatory disease of the stomach such as ulcerative colitis or Crohn's disease, should discuss with their doctor how this medication may affect their medical condition, how their medical condition may affect the dosing and effectiveness of this medication and whether any special monitoring is needed.Stop taking the medication and contact your doctor immediately if you experience symptoms or signs that suggest stomach ulcers or bleeding in the stomach (black, tarry stools). Other drugs may interact with mefenamic acid, including prescription and over-the-counter medicines, Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.Copyright 1996-2018 Cerner Multum, Inc. Many medicines available over the counter contain aspirin or other medicines similar to mefenamic acid. This medication may be available under multiple brand names and/or in several different forms. eHealthMe is studying from 3,447 Mefenamic acid users now. Mefenamic acid has active ingredients of mefenamic acid. Tell any doctor who treats you that you are using mefenamic acid.Store at room temperature away from moisture and heat. Mefenamic acid is also used to treat menstrual pain.Mefenamic acid may also be used for purposes not listed in this medication guide.Mefenamic acid may also cause stomach or intestinal bleeding, which can be fatal. Mefenamic acid is a nonsteroidal anti-inflammatory drug (NSAID). down the sink or in the toilet) or in household garbage. Call your doctor for medical advice about side effects. It only comes as an oral capsule. Mefenamic acid works by reducing hormones that cause inflammation and pain in the body. The risk can happen within the first weeks of using mefenamic acid and may be greater with higher doses or long-term use. It is used to relieve moderately severe pain, such as muscular aches and pains, menstrual cramps, headaches, and dental pain. Skip the missed dose if it is almost time for your next scheduled dose. Do not use mefenamic acid right before or after bypass heart surgery. Mefenamic acid should not be used during this time.All material copyright MediResource Inc. 1996 – 2020. : 334 Its name derives from its systematic name, dimethylphenylaminobenzoic acid. It’s also available as a generic drug. Mefenamic acid is a nonsteroidal anti-inflammatory drug (NSAID). These reactions can occur at any time during treatment without warning.The use of mefenamic acid during the last 3 months of pregnancy may result in harm to the baby or longer labour for the mother. Bạn có thể sử dụng axit mefenamic để điều trị ngắn hạn các cơn đau từ mức độ nhẹ đến vừa do các nguyên nhân khác nhau. Select one or more newsletters to continue.