I think the topamax website puts it pretty well in saying that it is "believed to help “calm”
overexcitable nerve cells in the brain so they don’t send out the signals that are
involved in migraines."
DX: NDPH, Recovered CRPS
RX: Lamictal, Abilify, Verapamil, Provigil, Clonazepam, Rozerem, Emsam
PRN: DHE IM, Droperidol IM, Toradol IM, Haloperidol, Zyprexa, Lodine, Thorazine, Zofran