"i have been taking phentermine. i&#039;m a guy standing 5ft 10 and weight 187 i&#039;m trying to get down to 170 it doesn&#039;t seem like i&#039;m dropping any weight i have been working out and trying to watch my calorie intake i only see a fluctuation from 187 to 192 but nothing lower then 187. i have dry month but it doesn&#039;t brother me and because i have been consuming a gallon of water a day. the only thing that i get often are headaches and i have been eating a little which seems to make the headaches go away. i hope i see a change soon"