"i am going on 65 years old and overweight  and my doctor started me on topiramate ( topamax) medication on july 1st, 2015 at that time i weighed 318 lbs today is august 20th and i weigh 292 lbs.  i am taking one 20 mg at night and have had no side effects yet!. i do not plan on increasing the dose as i feel there is no need.  i document my calories and hold them at 1100 to 1300 a day. ( i eat very healthy ) i will be checking back with my doctor in the next few months for a follow up. my goal is 133 lbs loss."