Just stopped topamax (topiramate). Cold turkeyjerking movements?

Could be. Topamax (topiramate) is usually used to treat seizure disorders or migraine headaches. As a rule, you shouldn't stop any medications without notifying your doctor. No matter why topamax (topiramate) was prescribed to you, topamax (topiramate) can cause seizures if you stop it, 'cold turkey'. Call your doctor now and talk about why you want or need to stop topamax (topiramate) and your doctor will let you know how to safely do so.