Talk to your doctor if you have any questions or concerns. Once the exam is complete, your doctor will inform you about how your prescribed appetite suppressant medication will fit into your customized weight loss program. Adipex, also known as phentermine, is a prescription weight loss medication that works by suppressing appetite and boosting metabolism. One such diet medication is Phentermine, also known as Adipex (brand name), a stimulant that can help obese patients lose weight. One popular weight loss medication is phentermine. Phentermine is a prescribed medication for short term treatment of obesity. I was also prescribed phentermine & failed 4 drug tests for this reason. It should be noted that Phentermine is a small-term management drug that is not meant to be used for an increased period of time. Phentermine resin extended-release capsules, 30 mg, are recommended for less responsive patients. Rodriguez, we offer a 90-Day Fastin or Adipex (both a form of phentermine) prescription plan that combines these prescription appetite suppression medications. Adipex works by suppressing the appetite, which makes it easier for people to eat less and lose weight. While these studies demonstrate the potential effectiveness of Adipex for weight loss, it is important to note that individual results can vary. Our weight loss programs focus on using proven medical treatments in combination with.