"i started phentermine 37.5 on sunday june 19th 2016 as prescribed by my dr. i take 1 pill 20 mins before my breakfast. so far no side effects at all, took my 3rd dose today. starting weight on 06/19/2016 was 218 still same weight this morning, so we will see. hoping to reach a goal of 175 by nov. that&#039;s 9 lbs a month, so we will see!!! i&#039;ll update in 2 weeks"