Pataday (olopatadine) is used to treat allergic conjunctivitis. Pataday is an antihistamine which works by blocking the effects of histamines to treat allergy symptoms. It is available as a 0.2% 2.5ml vial. Pataday is available as a brand and generic. It is covered by some Medicare and insurance plans, but some pharmacy coupons or cash prices may be lower.

With the Patient Assistance Program from Novartis, you can receive your medication at no cost.