What is ketotifen ophthalmic?
Ketotifen is an antihistamine that inhibits the body’s release of a chemical called histamine. Histamine can produce allergy symptoms such as sneezing, runny nose, and watery eyes. Ketotifen ophthalmic is used to treat itching of the eyes caused by allergy to dust, pollen, animals, or other allergens. Ketotifen ophthalmic may also be used for other purposes not listed in this medication guide.