Informational only — Not medical advice. Always consult a licensed healthcare provider.

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Community data Updated 2 months ago
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Indications

Migraine Headache Pain Fever Osteoarthritis Rheumatoid Arthritis Low Back Pain Menstrual Disorder

Indicated for fever, toothache, headache, migraine, primary dysmenorrhoea, menorrhagia, mild to moderate pain in rheumatoid arthritis and osteoarthritis, traumatic pain, low-back pain, and juvenile chronic arthritis in children.

⚠️ Always consult a registered physician before taking any medicine.

Pharmacology

Mefenamic Acid is a nonsteroidal medicine valued for its pain-relieving, anti-inflammatory and fever-reducing effects, which come from a two-pronged action on prostaglandins: it blocks the prostaglandin synthetase enzyme responsible for producing them, and it also blocks prostaglandins from acting at their receptor sites.

Pregnancy & Breastfeeding

Pregnancy: The effects of mefenamic acid on fertility and on an unborn baby are not fully known. For this reason, it should be used by women who are or could become pregnant only when the doctor feels the benefits clearly outweigh the possible risks.

Breastfeeding: Small amounts of mefenamic acid can pass into breast milk and reach the nursing baby. Because drugs of this type can affect an infant's heart and circulation, mefenamic acid should not be used by breastfeeding mothers.

⚠️ Talk to your doctor before taking any medicine during pregnancy or while breastfeeding.

Dosage Reference

⚠️ Reference ranges from official sources only. Consult your doctor for personalized dosing.

Adults: For adults, the usual dose is 500 mg up to three times a day (a total of 1.5 g daily), taken with meals; this may be reduced to 250 mg (1 tablet) three times daily. For menorrhagia, the dose is 500 mg three times daily with meals, starting when menstrual bleeding begins and continuing for as long as the physician advises. For children: 5 ml three times a day from 6 months to 1 year; 10 ml three times a day from 2 to 4 years; 10 ml four times a day from 5 to 8 years; and 15 ml four times a day from 9 to 12 years. Treatment should not be continued for more than 7 days unless a physician advises otherwise.

Side Effects & Interactions

Side Effects

No side-effect data recorded yet.