If I've had an allergic reaction to a sulfa-drug for antibacterial uses some years ago, would I likely be allergic to Topamax? I've read that there is a difference in how the two types of drugs are constructed.
If you have an allergy to Sulfa, DO NOT TAKE TOPAMAX unless you are very closely monitored, which you likely will not be. Topamax IS... repeat, IS a sulfa-related drug. It is a sulfamate substituted monosaccharide that many people allergic to Sulfa will have an adverse reaction to. Please see the following link and do your own research: http://www.stanfordhospital.com/clin...opiramate.html