Phentermine Uses

Phentermine is used for the short-term (a few weeks), along with caloric restriction and exercise, to help speed up weight loss in obese individuals. It is prescribed to individuals with exogenous obesity (a body mass index (BMI) of 30 or higher).

There may be other uses of phentermine. Your healthcare professionals or health system pharmacists can give you further phentermine drug information.

Phentermine Mechanism of Action

Phentermine works by decreasing appetite to help you lose weight. It works in conjunction with a reduced-calorie diet and exercise.  

Phentermine Doses

Phentermine is available as 37.5 mg tablets and 37.5 mg capsules. Your doctor will give you an individualized dosage. The goal is to obtain an adequate response at the lowest effective dose. The usual dose of phentermine is 8 mg, 15 mg, or 37.5 mg per day in 1-3 divided doses. The maximum dose of phentermine is 37.5 mg per day.