Topamax, also known by its generic name topiramate, is an anticonvulsant and antiepileptic medication which is used to prevent and control seizures. Topiramate has also been found effective in preventing migraines and decreasing how often patients experience them. Aging, lack of exercise, and food choices are all culprits in the battle to keep weight down. However, some very common medications can also lead to weight gain. Warning:The primary use of Topiramate, and the only use for which it has regulatory approval, is to treat seizures. Some people use Topiramate to treat other conditions, which may include PTSD, Axis II mood disorders, and eating disorders. Topiramate is another anticonvulsant that may be of some use in the treatment of bipolar disorder and, though not yet approved, is in use as an off-label medication for the disorder. Does Topiramate Cause Weight Loss: There is definitely proof that topiramate helps with weight loss, however be sure to check with your doctor before using. Pediatric Patients 2 to 9 Years of Age. Dosing in patients 2 to 9 years of age is based on weight. During the titration period, the initial dose of Topiramate tablet is 25 mg/day nightly for the first week. Topamax is the brand name of topiramate, an anticonvulsant drug used to prevent seizures and reduce the frequency of migraines. While its exact mechanism of action is unknown, studies suggest. TOPAMAX ® (topiramate) Tablets and Capsules. DESCRIPTION. Topiramate is a sulfamate-substituted monosaccharide. TOPAMAX ® (topiramate) Tablets are available as 25 mg, 50 mg, 100 mg, and 200 mg round tablets for oral administration. Topiramate, sold under the brand name Topamax among others, is a medication used to treat epilepsy and prevent migraines. It has also been used in alcohol dependence. For epilepsy this includes with generalized or focal seizures. It is taken by mouth. I had 3 epidural injections at L4/5. The injections were given over about a 5 week interval. I did not gain any weight as a result. I actually lost weight when my disk was herniated.