A 45-year-old member asked:
Can anyone tell me is zaditor (ketotifen) better than opcon-a?
1 doctor answer • 2 doctors weighed in

Dr. Tim Conradanswered
Ophthalmology 36 years experience
Yes: Zaditor (ketotifen) is longer-acting and has less tendency to lose its efficacy with continued use than opcon-a.
Created for people with ongoing healthcare needs but benefits everyone.
4.5k viewsReviewed >2 years ago
Similar questions
A 30-year-old member asked:
Is zaditor (ketotifen) better than opcon?
2 doctor answers • 3 doctors weighed in

Dr. Jay Bradleyanswered
Cornea, Cataract, & Refractive (LASIK & PRK) Surgery 20 years experience
Zaditor (ketotifen): Zaditor seems to be more effective in my experience. Both of these are less effective than prescription alternatives (pataday, lastacaft, (alcaftadine) etc).
Created for people with ongoing healthcare needs but benefits everyone.
5.6k viewsReviewed >2 years ago
Last updated Aug 10, 2020
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