compare and save with our brand's everyday regular price better price same active ingredient now available without a prescription walgreens now available without a prescription walgreens compare to pataday® twice daily relief active ingredienti compare to pataday once daily relief active ingredienti eye allergy itch relief olopatadine hydrochloride antihistamine eye allergy itch & redness relief olopatadine hydrochloride antihistamine & redness reliever once-daily relief sterile twice-daily relief sterile • works in minutes pollen & ragweed once daily • works in minutes pollen & ragweed • twice daily compare to pataday® active ingredientt relief and eye allergy itch & redness relief to pataday® on the regular retail price of pataday® once and twice daily relief this product is not manufactured or distributed pataday is a registered trademark of novartis ag