Weight Management

Perhaps you have been diagnosed with a weight related medical condition or maybe you want to create some healthier habits. No matter the reason, we are glad you have joined us. The Weight Management page has tips, recipes and information from Mayo Clinic experts to help you create a healthier lifestyle. And if weight loss in one of your goals, you can learn more about options available to support your journey, including lifestyle changes, medication, procedures or surgery.

PUBLIC PAGE
Oct 27 1:43pm

Q & A: Is phentermine a good option for weight loss?

By Tara Schmidt, RDN, LD, @taraschmidt

Generic medication, apple, and measuring tape

Answer provided by Meera Shah, M.B., Ch.B.. Dr. Shah is a consultant within the Division of Endocrinology. 

Phentermine (Adipex-P, Lomaira) is an amphetamine-like prescription medication used to suppress appetite. It can help weight loss by decreasing your hunger or making you feel full longer. Phentermine is also available in combination with topiramate for weight loss (Qsymia).

Like other prescription weight-loss drugs, phentermine is intended to be used as part of an overall weight-loss plan. It is indicated for people who have obesity, and who have failed to lose enough weight with diet and exercise alone. It is not for people who want to lose just a few pounds.

Phentermine is a Schedule IV drug, a classification given to drugs that have a potential for abuse, although the actual potential appears to be low.

Common side effects of phentermine include:

  • Increased heart rate
  • Dry mouth
  • Sleeplessness
  • Nervousness
  • Constipation

Although phentermine is one of the most commonly prescribed weight-loss medications, it isn't a good option if you have heart disease, high blood pressure, an overactive thyroid gland, or glaucoma. It also isn't for women who are pregnant, may become pregnant, or are breast-feeding.

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