Didrex, a prescription diet pill, is a brand of benzphetamine hydrochloride tablets. It is the common name of the drug ‘benzphetamine’.

Benzphetamine is a sympathomimetic amine that is anorexic in action. The main function of this drug is to reduce hunger, which in turn reduces caloric intake. Its function is to prevent weight gain rather than cure the excess fat after its absorption in the body.

Didrex is an appetite suppressant used along with diet, exercise, and behavior therapy for the short-term management of obesity. Didrex is used as a short-term supplement to diet and exercise in the treatment of obesity.

Didrex as well as other appetite suppressants is not a substitute for proper diet. For maximum effects, this medication must be used in combination with diet and exercise programs. Do not share this medication with others.

Didrex diet pills stimulates your central nervous system (nerves and brain), which increases your heart rate and blood pressure and decreases your appetite. Didrex requires a prescription and is available through several online pharmacies.

It is also known as an "anorectic" or "anorexigenic” drug.