Phentermine FAQs

Phentermine is a prescription medication used for short-term weight loss. It is an appetite suppressant that works by stimulating the central nervous system, which increases heart rate and blood pressure and decreases appetite. This helps reduce food intake and, consequently, body weight.

Common side effects of Phentermine include dry mouth, insomnia, increased heart rate, restlessness, dizziness, and constipation. Some people may also experience more severe side effects such as high blood pressure, palpitations, or chest pain. It's important to discuss potential side effects with a healthcare provider.

Phentermine is typically taken once daily, either before breakfast or 1-2 hours after breakfast, depending on the specific prescription and formulation. It is usually prescribed for a short duration, typically a few weeks to a few months, as part of a broader weight loss program that includes diet and exercise.

Phentermine is generally prescribed for individuals who are obese (with a BMI of 30 or higher) or overweight (with a BMI of 27 or higher) and have weight-related health conditions such as hypertension, type 2 diabetes, or high cholesterol. A healthcare provider will assess whether Phentermine is appropriate based on the patient's health profile and weight loss goals.

The amount of weight loss with Phentermine varies among individuals. On average, people may lose about 5-10% of their initial body weight over a 12-week period when combined with a low-calorie diet and increased physical activity. Individual results can vary based on adherence to the prescribed regimen and personal health factors.

Phentermine is intended for short-term use due to the potential for dependence and other side effects. Long-term use is not typically recommended because it can lead to tolerance, where the drug becomes less effective, and the risk of addiction may increase. There are also potential cardiovascular risks, such as increased blood pressure and heart rate, that require monitoring. Regular follow-up with a healthcare provider is essential to manage any potential risks and evaluate the continued appropriateness of the medication.