Generic Pataday

There are currently no generic Pataday products available in the United States. The manufacturer of the medication is currently involved in a lawsuit with a generic manufacturer who has filed an application to make a generic version. At this time, it is not clear when a generic version of Pataday will become available, since this lawsuit has not been resolved.

Is a Generic Version of Pataday Available?

Pataday™ (olopatadine ophthalmic solution) is a prescription eye drop approved for treating itching due to eye allergies (known medically as allergic conjunctivitis). It is an antihistamine medication similar to Patanol® (another prescription eye drop), except it comes in a higher strength (0.2% versus 0.1%) and is taken just once a day, instead of twice daily.
 
Pataday is manufactured by Alcon Laboratories, Inc. It is currently under the protection of a patent that prevents any generic Pataday from being manufactured in the United States.
 

When Will Generic Pataday Be Available?

There are several different patents for Pataday, the first of which is set to expire in June 2011. The other patents expire significantly later (as late as November 2023). Currently, Alcon is involved in a lawsuit with a generic manufacturer who has filed an application to make a generic version of Pataday. At this time, it is not clear when generic Pataday will become available, since this lawsuit has not been resolved.
 

Is Olopatadine a Generic Pataday?

No -- olopatadine hydrochloride is the active ingredient in Pataday (as well as in Patanol eye drops and Patanase® nasal spray), but is not a generic version of it. What can be confusing is that the active ingredient of any 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 of a medicine, the original medicine must have gone off-patent and another company besides the original manufacturer must make the product.
 
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Pataday Eyedrops

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