Adipex-P (phentermine) is a prescription medicine similar to amphetamine. Phentermine stimulates the central nervous system (nerves and brain), which increases your heart rate and blood pressure and decreases your appetite.
Adipex-P is used together with diet and exercise to treat obesity, especially in people with risk factors such as blood pressure, high cholesterol, or diabetes.DescriptionPhentermine, sold under the brand name Ionamin among others, is a medication used together with diet and exercise to treat obesity. It is taken by mouth for up to a few weeks. After a few weeks the beneficial effects no longer occur. It is also available as the combination phentermine/topiramate.