Senior Health Home > Generic Zyloprim

There are generic versions of Zyloprim (allopurinol) available. Generic Zyloprim is sold under the name Allopurinol tablets and is available in 100 mg and 300 mg strengths. Several companies manufacture this generic medication. The FDA has assigned all generic Zyloprim products an "AB" rating, meaning the generic medications are equivalent to brand-name Zyloprim.

An Overview of Zyloprim Generic

Zyloprim® (allopurinol) is a prescription medication approved for preventing:
 
  • High uric acid levels (hyperuricemia) due to cancer treatment
  • Gout attacks
  • Recurrent kidney stones in people with high uric acid levels.
     
Brand-name Zyloprim is made by Prometheus Laboratories, Inc. However, it has come off patent and is available as a generic.
 

Strengths Available

Generic Zyloprim tablets are available in the following strengths:
 
  • Allopurinol 100 mg
  • Allopurinol 300 mg.
     

Who Makes Generic Zyloprim?

Generic Zyloprim is made by several different companies, such as:
 
  • Apotex Corporation
  • Watson Laboratories
  • UDL
  • Mylan Pharmaceuticals
  • Major Pharmaceuticals.
     

Is Generic Allopurinol as Good as Zyloprim?

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 allopurinol versions currently available have an "AB" rating, meaning they should be equivalent to Zyloprim.
 
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.
 
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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