Antihistamine Eye Drops For Dogs. Then let go of your dog's head. Benzalkonium chloride (0.01%), glycerin, sodium hydroxide and / or hydrochloric acid and water for injection.

Lastly, the zaditor antihistamine eye drop stops the itching and it is great for hay fever. Diphenhydramine (benadryl®), cetirizine (zyrtec®), and loratadine (claritin®) are commonly used antihistamines that relieve allergy symptoms or counteract allergic reactions. Eye drop (sympathomimetic and antihistamine eye drops) indication / uses: