Benzphetamine is a prescription medicine commonly used for weight loss. It works by suppressing the appetite and possibly increasing the metabolism. Potential side effects may include headaches, insomnia, and dizziness. Prior to taking the medication, be sure to talk to your healthcare provider about any medical conditions you have or any medications you are taking.

What Is Benzphetamine?

Benzphetamine hydrochloride (Didrex®) is a prescription weight loss medication approved for short-term use only. It should be used in conjunction with an appropriate diet.
(Click What Is Benzphetamine Used For? for more information, including possible off-label uses.)

Are There Side Effects?

As with any medicine, side effects are possible with benzphetamine. However, not everyone who takes the drug will experience problems. In fact, most people tolerate it quite well. If side effects do occur, in most cases, they are minor and either require no treatment or can easily be treated by you or your healthcare provider. Serious side effects are less common.
Common side effects of benzphetamine include but are not limited to:
(Click Side Effects of Benzphetamine to learn more, including potentially serious problems you should report immediately to your healthcare provider.)
Last reviewed by: Kristi Monson, PharmD
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