At this time, Pexeva (paroxetine mesylate) is not available in generic form. The earliest date a generic version could become available is in June 2017, when the drug's first patent expires. Although Paxil is similar to Pexeva, the two drugs are not interchangeable -- Paxil should not be considered a generic form of the drug.
Pexeva is made by Norwich Pharmaceuticals, Inc., for Noven Therapeutics, LLC. It is protected from generic competition by patents that have not yet expired.
When Will a Generic Version Be Available?
The first patent for Pexeva expires in June 2017. This is the earliest predictable date that a generic version could become available.
However, other circumstances could come up to extend or shorten this exclusivity period. This could include such things as lawsuits or other patents for specific Pexeva uses. Once the drug goes off-patent, there may be several companies that manufacture a generic Pexeva drug.
Is Paroxetine Mesylate a Generic Pexeva?
No -- paroxetine mesylate is the active ingredient in Pexeva, but is not a generic version of it. What can be confusing is that the active ingredient of a drug is often referred to as the "generic name."
The generic name is different from a generic version of a medicine. In order for there to be a generic version, the original medicine must have gone off-patent and another company besides the original manufacturer must make the product.
Food and Drug Administration, Center for Drug Evaluation and Research. Electronic orange book: approved drug products with therapeutic equivalence evaluations. FDA Web site. Available at: http://www.fda.gov/cder/ob/. Accessed October 19, 2010.
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