Generic Adipex

Several different generic Adipex-P products are currently available. The generic tablets and capsules come in one strength (phentermine 37.5 mg) and are manufactured by various drug companies, including Actavis, Inc. and Lannett Company, Inc. The FDA has assigned all generic Adipex products an "AA" rating, meaning they are equivalent to the brand-name version.

 

An Overview of Generic Adipex

Adipex-P® (phentermine) is a prescription weight-loss medication. It is approved only for short-term use (for just a few weeks) and is chemically related to amphetamines.
 
Adipex-P is made by Teva Pharmaceuticals. Several different versions of generic Adipex-P are also currently available.
 

Strengths of Generic Adipex-P

Generic Adipex-P tablets and capsules are available in one strength -- phentermine 37.5 mg. Other strengths of phentermine are not equivalent to Adipex-P.
 

Who Makes Generic Adipex?

At this time, various manufacturers make generic Adipex-P, including Actavis, Inc. and Lannett Company, Inc.
 

Is Generic Phentermine as Good as Adipex?

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 medications and assigns each generic a rating. An "AA" rating means that the FDA has determined that a generic medication is equivalent to a brand-name medication. All of the generic phentermine 37.5 mg tablets and capsules currently available have an "AA" rating, meaning they should be equivalent to Adipex-P
 
However, generic medications are allowed to have different inactive ingredients than the brand-name medication. This might include fillers or 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;