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Doctors usually recommend these as the first treatment for eye allergies if you can’t get enough relief without drugs.
If you have itchy, watery eyes, antihistamine eyedrops may make you feel better. These medicines block histamine in the body. Histamine is a chemical that your immune system makes when you come in contact with an allergy trigger. It causes many of your allergy symptoms.
Antihistamine eyedrops can quickly ease your symptoms. But relief may only last for a few hours. You may need to use the drops several times a day.
NSAID eyedrops affect certain nerve endings. They change the way your body makes you feel itchy.
Ketorolac (Acular, Acuvail) is the only NSAID approved for the treatment of itchy eyes. Itching usually starts to go away about 1 hour after using the eyedrops. These eyedrops often cause stinging or burning when first placed in the eyes.