Adipex is a brand name for the generic medication Phentermine. It is a prescription medicine that is mostly used for weight loss. Adipex works by decreasing appetite and is recommended for short-term use in conjunction with a low-calorie diet and exercise.
Phentermine is classed as a sympathomimetic amine, which means it increases the production of certain chemicals in the brain that help control appetite. It is considered to operate by decreasing appetite and enhancing feelings of fullness.