Adipex, also known by its generic name phentermine, is a prescription medication primarily used for weight loss. It belongs to a class of drugs called sympathomimetic amines, which work by stimulating the central nervous system. Adipex suppresses appetite and increases energy expenditure, making it easier for people to adhere to a reduced-calorie diet and exercise program. It's usually prescribed for short-term use in individuals who are obese or have weight-related medical conditions like high blood pressure or diabetes.

Adipex is generally taken once daily, either before breakfast or a few hours after, depending on a doctor's instructions. Common side effects may include dry mouth, insomnia, increased heart rate, and nervousness. Due to its stimulant properties, it can also lead to dependence or misuse, which is why it's typically only prescribed for a few weeks at a time.

It's important for patients to follow a doctor’s guidance carefully, as Adipex is not a standalone solution for weight loss but works best when combined with lifestyle changes. It’s also not recommended for people with certain medical conditions, including heart disease or uncontrolled high blood pressure, as it may exacerbate these issues.