How long has TOPAMAX been available in the U.S.?
TOPAMAX has been available worldwide since 1995. Since that time, more than 4 million patients have been treated with TOPAMAX (regardless of condition). Like many other migraine preventive medications, TOPAMAX was initially studied for another medical condition and was then approved in 2004 for use in reducing migraine frequency. Today, TOPAMAX is the #1 prescribed brand for migraine prevention in the U.S.
