Pataday Extra Strength

**Pataday Extra Strength** is an over-the-counter ophthalmic antihistamine product developed and manufactured by **Alcon Vision** for the temporary relief of allergic eye itch associated with allergic conjunctivitis. It contains **olopatadine hydrochloride 0.7%**, a **small-molecule** selective histamine receptor antagonist with mast cell-stabilizing anti-allergic activity, administered as a **once-daily ophthalmic solution**. The product is the highest-strength formulation in the Pataday line and was transitioned from the former prescription brand **Pazeo** to OTC status for 24-hour relief of ocular itching triggered by allergens such as pollen, ragweed, grass, animal hair, and dander.

Brand names

Pataday Extra StrengthPataday Once Daily Relief Extra Strength

Other names

olopatadine hydrochloride ophthalmic solution 0.7%Pazeo