"ive been on psychiatric meds for a greater than 10 years. most of these medications had cause me to gain a lot of weight. at my last doctors appointment i weighed 265 and was given the option to start taking topiramate. i took 1/2 50 mg tablet every night for 3 days then 1/2 tablet twice a day starting on june 30, 2016. well when i was weighed on july 15, 2016, i had lost 5 pounds with no exercise. i have a follow up appointment tomorrow on july 28,2016. oh i haven&#039;t noticed any side effects. i&#039;ll keep you guys posted."