"i have been taking the phentermine for month and lost 3 pounds. when i could eat, i ate whatever i wanted. i drank alot of water and just stayed active around the house and at work. i just got prescribed to topamax today. i have taken this drug before years ago for bi polar disorder and the only side effect i had from it was memory loss and confusion so i had to stop taking cause there&#039;s no way i would be able to work on that but i am going to give it a try with the phentermine now cause i am desperate to lose weight at this point."