DG Health Eye Allergy Itch Relief provides fast-acting relief for itchy eyes caused by common allergens such as pet dander, pollen, grass, and ragweed. The active ingredient, Olopatadine Hydrochloride Ophthalmic Solution USP, 0.2%, is an antihistamine that helps reduce eye irritation. This original prescription strength formula offers once-daily relief and works within minutes to soothe discomfort. It’s a sterile, easy-to-use eye drop solution that gives you the power to take control of your allergy symptoms.