Generic Zanaflex

A number of companies make generic Zanaflex tablets, including Sandoz, Alphapharm, and Apotex Corporation. The generic versions, which were given an "AB" rating by the FDA, are available in a 2-mg strength and a 4-mg strength. Brand-name Zanaflex capsules are protected by a patent, so no generic capsules are available at this time.

Can I Buy Generic Zanaflex?

Zanaflex® (tizanidine hydrochloride) is a prescription medication used to treat spasticity. It belongs to a group of drugs known as alpha-2 adrenergic agonists.
Brand-name Zanaflex is made by Acorda Therapeutics, Inc. Generic versions are made by various manufacturers.

Available Strengths

Generic Zanaflex tablets are available in the following strengths:
Brand-name Zanaflex tablets are no longer available in the 2-mg strength.
Zanaflex capsules (2 mg, 4 mg, and 6 mg) are not available in generic form. They are still protected by a patent that expires in November 2021. It is important to note that Zanaflex capsules are not interchangeable with Zanaflex tablets (or generic tizanidine tablets), as the body handles these two forms differently.

Who Makes Generic Zanaflex?

Generic Zanaflex is made by several different manufacturers, such as:
  • Actavis US
  • Alphapharm
  • Apotex Corporation
  • Dr. Reddy's Laboratories
  • Mylan Pharmaceuticals
  • Sandoz
  • Teva Pharmaceuticals.

Is Generic Tizanidine as Good as Zanaflex?

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. All generic Zanaflex tablets currently available have an "AB" rating, which means they are considered equivalent to the brand-name version.
However, generic medications are allowed to have different inactive ingredients than the brand-name medication. This might include fillers, dyes, or other ingredients, which could cause problems for people with allergies or sensitivities.
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