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Understanding Migraine Prevention Medications
March 31st, 2026

Does Topamax Help Prevent Migraines?

Yes, Topamax (topiramate) is FDA-approved for migraine prevention and significantly reduces monthly migraine frequency. Clinical trials show it decreases migraine days by 50-75% in about half of patients who take it regularly. The medication works by affecting neurotransmitters and electrical activity in the brain that trigger migraines. Most neurologists prescribe 25-100mg daily, starting with a low dose and gradually increasing to minimize side effects like tingling, weight loss, and cognitive changes. While effective, Topamax requires consistent daily use for 6-8 weeks to show full preventive benefits, and stopping suddenly can trigger rebound headaches.

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