Topamax (Topiramate) for Chronic Pain

Overview
Topamax is a prescription drug approved by the Food and Drug Administration (FDA) to treat certain types of seizures and to prevent migraine headaches. Some physicians may prescribe Topamax off-label to treat neuropathic pain or cluster headaches. Topamax is also referred to by its drug name, Topiramate.

Topamax is an anticonvulsant, or drug that controls seizures. Topamax is believed to work by reducing nerve signals.

How do I take it?
Prescribing information states that Topamax should be taken twice daily.

Topamax comes in tablet and sprinkle capsule forms.

Side effects
The FDA-approved label for Topamax lists common side effects including loss of appetite, weight loss, pins and needles sensation, memory problems, drowsiness, nervousness, nausea, diarrhea, and abdominal pain.

Rare but serious side effects listed for Topamax include vision problems, metabolic disorders, suicidal behavior or thinking, cognitive dysfunction, kidney stones, and hypothermia.