There is a generic version of Comtan (entacapone) available. This product comes in the form of 200-mg tablets. The FDA has determined that this medication is equivalent to brand-name Comtan. However, the generic version may have different inactive ingredients, which may cause problems for some people.
Comtan® (entacapone) is a prescription medication licensed as a Parkinson's disease treatment. It is always used with carbidopa-levodopa medications, such as Sinemet®, Sinemet® CR, or Parcopa®.
Brand-name Comtan is marketed by Novartis Pharmaceuticals Corporation and is made by Orion Corporation, Inc. However, it is also available in generic form.
Generic Comtan is available in one strength -- Comtan 200 mg tablets. At this time, it is made by one manufacturer, Wockhardt USA LLC.
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 a rating to each one.
An “AB” rating means that the FDA has determined that a generic medication is equivalent to a brand-name medication. The generic Comtan version currently available has an “AB” rating, meaning it should be equivalent to Comtan.
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.