"i was prescribed phendermetrazine for the first week and it made me feel awful!  bad headaches and made my heart pound.  in my first week of taking it i lost 8.5 pounds i weighed 283 when i started and lost the 8.5 pounds and am now weighing 275 it has helped me to not feel hungry all day. but with the bad side effects i asked to be put on phentermine and have had no side effects  and a lot of energy and my heart isn&#039;t pounding so let&#039;s see if i get the same results.  i&#039;m super excited !!"