Health Guide
Drug Guide

Mefenamic acid (By mouth)

Mefenamic Acid (mef-e-NAM-ik AS-id)

Treats pain, including menstrual pain. This medicine is an NSAID.

Brand Name(s):

Ponstel

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not use this medicine if you have had an allergic reaction (including asthma) to mefenamic acid, aspirin, or other pain and arthritis medicines such as ibuprofen, naproxen, Advil®, Aleve®, Bextra®, Celebrex®, Motrin®, or Vioxx®. The reaction may have included wheezing or trouble breathing, hives, rash, or swelling in your face. This medicine should not be given to a child under 14 years old. You should not use this medicine if you have kidney disease or an inflammation or ulcers in the stomach or intestines. Do not use this medicine right before or right after having coronary artery bypass graft (CABG), a type of heart surgery.

How to Use This Medicine:

Capsule

If a dose is missed:

How to Store and Dispose of This Medicine:

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

Warnings While Using This Medicine:

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

If you notice these less serious side effects, talk with your doctor:

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088


Last Updated: 12/12/2016

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