#antihistamine formula

Opcon-A Eye Drops Review: Fast Relief for Itchy, Red Allergic Eyes

I spent allergy season testing Opcon-A eye drops to see if they live up to the hype. Combining an antihistamine with a redness reliever, this Bausch + Lomb formula targets itchy, red eyes from pollen, pet dander and more. Here's my honest assessment after real-world use.