: Phentermine is typically prescribed for short-term use, generally for individuals with a BMI of 30+ or a BMI of 27+ with weight-related health conditions.

Prices for a 30-day supply of generic tablets vary significantly, and you can often find lower prices using coupon services.

Avoid websites that claim to sell "Phentermine" without a prescription. These sites are often fraudulent and may sell counterfeit or dangerous substances. For those looking for non-prescription options, the only FDA-approved OTC weight loss medication is , though it works differently than phentermine.

Note: Prices are estimates and subject to change based on location and insurance coverage. A Note on Safety