Generic Didrex

Didrex is currently available as a generic medication. Generic Didrex is available in just one strength -- benzphetamine 50 mg. The FDA has assigned generic Didrex an "AB" rating, meaning the generic medication is equivalent to the brand-name medication. However, generic medications are allowed to have different inactive ingredients (such as fillers or dyes), which may cause problems for people with allergies or sensitivities.

 

An Overview of Generic Didrex

Didrex® (benzphetamine hydrochloride) is a prescription weight-loss medication. It is an appetite suppressant, and is approved only for short-term use (for just a few weeks).
 
Didrex is made by Pfizer, Inc. However, it has come off patent and is available as a generic.
 

Strengths of Generic Didrex

Generic Didrex tablets are available in just one strength -- benzphetamine 50 mg.
 

Who Makes Generic Didrex?

At this time, generic Didrex is made by Paddock Laboratories.
 

Is Generic Benzphetamine as Good as Didrex?

All generic medications must undergo certain tests to compare them to brand-name medications. The U.S. Food and Drug Administration (FDA) then looks at these tests to decide if the generics are equivalent to the brand-name medication, and assigns each generic a rating. An "AB" rating means that the FDA has determined that a generic medication is equivalent to a brand-name medication. All of the generic benzphetamine versions currently available have an "AB" rating, meaning they should be equivalent to Didrex.
 
However, generic medications are allowed to have different inactive ingredients than the brand-name medication. This might include fillers, dyes, or other ingredients that may cause problems for people with allergies or sensitivities.
 
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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;