Concomitant administration of phenytoin or carbamazepine with TOPAMAX® resulted in a clinically significant decrease in plasma concentrations of topiramate when compared to TOPAMAX® given alone. Learn about Topamax (topiramate), from its FDA-approved uses for migraine and seizures to side effects like weight loss to dosage info and safety tips. Topamax (topiramate) is used to prevent seizures in adults and children and to prevent migraine headaches. Learn about side effects, interactions and indications. Topiramate Tablets Topiramate is a medication that treats epilepsy by preventing and managing seizures. This medication can also prevent migraine headaches. Topiramate works by calming overactive nerves in your body. Brand names for this medication are Topamax® and Topiragen®. Do not double doses. If your next regular dose of Topamax® capsule or tablet or Eprontia® oral solution is within 6 hours away, wait until then to use the medicine and skip the missed dose. If you miss more than 1 dose of this medicine, contact your doctor for instructions about how to restart it. Overview: Topiramate is used to treat or prevent seizures. It is also used to prevent migraines. It may work by affecting certain signals in the brain. Common side effects include dizziness. Topiramate, marketed as Topamax among other names, is an oral medication primarily prescribed for the treatment of epilepsy and the prophylaxis of migraines. [8] Topamax (generic name: topiramate) is not a controlled substance in the United States, but it is still a prescription‑only medicine with important safety concerns and specific approved uses. It is not known to be addictive or habit‑forming, and it is not an opioid, benzodiazepine, or stimulant drug. Continue reading Eligible patients using commercial or private insurance can save on out-of-pocket costs for TOPAMAX ® (topiramate). Eligible patients pay $4 per fill. There is a $150 limit for each 30-day supply. There is a maximum program benefit of $1,800 or 12 fills per calendar year, whichever comes first. TOPAMAX is indicated as initial monotherapy for the treatment of partial-onset or primary generalized tonic-clonic seizures in patients 2 years of age and older.