Mefenamic Acid: Side Effects, Uses & Monitoring
Carefully consider the potential benefits and risks of mefenamic acid and other treatment options before deciding to use mefenamic acid.
- Data source
- FDA labeling via NIH DailyMed (label f8b1a4a2…)
- Label version
- current
- Last reviewed
- 2026
Reported adverse reactions
Reactions listed in current FDA labeling, with the highest frequency reported across summarized placebo-controlled trials.
No structured frequency data available in current labeling. Consult the official label.
Labeled uses (from FDA prescribing information)
Carefully consider the potential benefits and risks of mefenamic acid and other treatment options before deciding to use mefenamic acid. Use the lowest effective dose for the shortest duration consistent with individual patient treatment goals ( see WARNINGS; GASTROINTESTINAL BLEEDING, ULCERATION, AND PERFORATION). Mefenamic acid is indicated: For relief of mild to moderate pain in patients ≥ 14 years of age, when therapy will not exceed one week (7 days). For treatment of primary dysmenorrhea.
Frequently Asked Questions
What is Mefenamic Acid used for?
FDA labeling lists the approved uses shown above under "Labeled uses." This summary is informational; only a qualified prescriber can determine whether a medication is appropriate for you.
What are the most commonly reported side effects of Mefenamic Acid?
Current labeling for this ingredient does not include a structured frequency table that we can reproduce. Review the official label linked below.
Does Mefenamic Acid require lab monitoring?
Monitoring needs vary. Ask your healthcare provider whether any lab tests apply while taking Mefenamic Acid.
Where does this information come from?
All clinical facts on this page were extracted from the current FDA-registered product labeling for this ingredient, published by manufacturers through NIH DailyMed. See the source link below.
Medical disclaimer: Educational content extracted from public FDA labeling. Not medical advice. Always consult a qualified healthcare professional before starting, stopping, or changing any medication.