A member asked:

Can anyone tell me is zaditor (ketotifen) better than opcon-a?

A doctor has provided 1 answer
Dr. Tim Conrad answered

Specializes in Ophthalmology

Yes: Zaditor (ketotifen) is longer-acting and has less tendency to lose its efficacy with continued use than opcon-a.

Answered 8/10/2020

4.5k views

Thank

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