"i started on phentermine 37.5 on december 20,2015 and i weight in at 178.2 and as of today  february 13,2016 i weight 164.2. a dry mouth is the only side effect that i have and that&#039;s with no exercising and eating  a bowl of cereal in the morning and nothing else that day just drinking water i don&#039;t have any appetite because i&#039;m full of water i love this pill."