Oral phentermine Hydrochloride (HCL) is sold for weight loss. It is in the Sympathomimetic family of appetite suppressants (used for the short-term management of
exogenous obesity.)When used in conjunction with diet, exercise, and behavior therapy, phentermine may help you to lose weight while you are learning new ways to eat and to exercise. How does Phentermine work? Phentermine works by ...