"started phentermine on july24,16 first week tons of energy also made my mood great! didn&#039;t loose nothing first week! second week lost energy tierd alittle dry mouth don&#039;t feel like eating! went to my drs my following week. things seemed different this second week she explained this was normal to continue with the phentermine and take a mild sleeping pill at nite. i also increased my water intake also walking! by end of week lost five pounds! keeping up my journey dry mouth is ok with me that&#039;s why you drink water! also try get a good healthy high protien shake in take vitamins very important part for me hopefully this may help!"