Phentermine is a prescription medication that is used as a short-term adjunct to a weight loss program. It is classified as a sympathomimetic amine and works as an appetite suppressant. Phentermine is intended for individuals who are overweight or obese and have not been able to lose weight through diet and exercise alone.

Phentermine works by stimulating the release of certain chemicals in the brain that help control appetite. It acts as a central nervous system stimulant, reducing hunger cravings and promoting a feeling of fullness. It is typically prescribed for a limited duration, usually a few weeks or months, to aid in the initial phase of weight loss efforts.

It is important to note that phentermine is not a standalone solution for weight loss. It should be used in conjunction with a comprehensive weight loss program that includes dietary changes, exercise, and behavioral modifications. Phentermine is not recommended for long-term use due to the potential for dependence, tolerance, and side effects.

Common side effects of phentermine may include increased blood pressure, elevated heart rate, insomnia, restlessness, dry mouth, constipation, and nervousness. It may also interact with other medications and has the potential for abuse.