Ketotifen fumarate ophthalmic solution. Antihistamine eye drops. Allergy eye itch relief. Sterile. Up to 12 hours. Works in minutes. For ages 3 years & older. 30 day supply. Contains the drug Ketotifen Fumarate. Compare to Claritin Eye active ingredient (This product is not manufactured or distributed by Schering‑Plough HealthCare Products, Inc. distributor of Claritin Eye). We believe the high quality of this H‑E‑B product makes it an outstanding value. We hope you'll agree. Thanks for shopping with us ‑ Charles Butt. Made with pride and care for H‑E‑B. Value & service since 1905. Temporarily relieves itchy eyes due to pollen, ragweed, grass, animal hair and dander.