Phentermine, a contraction of "phenyl-tertiary-butylamine", is a psychostimulant and anorectic drug of the substituted phenethylamine and substituted amphetamine chemical classes, with pharmacology similar to amphetamine. It is used medically as an appetite suppressant.

Phentermine, a contraction of "phenyl-tertiary-butylamine", is a psychostimulant and anorectic drug of the substituted phenethylamine and substituted amphetamine chemical classes, with pharmacology similar to amphetamine. It is used medically as an appetite suppressant.