Adipex-P® (phentermine) is a prescription weight loss medication. The drug comes in the form of tablets or capsules. Adipex is usually taken by mouth once daily, although some people may need to take it twice a day. The capsules and tablets come in one strength -- Adipex 37.5 mg.
Adipex is chemically related to amphetamines. It works by suppressing the appetite, and it may also increase the metabolism.
Although most people tolerate the medicine well, it is not suitable for everyone. Some of the common side effects include headaches, dizziness, and insomnia. Before using this weight loss medication, make sure to talk to your healthcare provider about any other medical conditions you have and any other medications you are taking (including vitamins, supplements, and non-prescription medications).
(Click Adipex for a more in-depth look at how Adipex can help people lose weight, potential side effects, general dosing guidelines, and information on what to tell your healthcare provider before using this medication.)