Topamax causes bladder infections... Does tegretol cause weight gain??? topamax causes me terrible bladder infections!!! I DID loose 14 lbs in only 3 weeks after finally getting off of Seroquel for my seizures that put 150 pounds on me. so just had to get off it!! I am going to a neuro doc on Friday so can people please get back to me asap!!! Thank you very much, Antoinette