Naphcon-A Allergy Relief Eye Drops help temporarily alleviate itchy, red eyes caused by allergies. Formerly only available through prescription, these eye drops are now available over the counter to help relieve itchy, red eyes. It uses an antihistamine and redness remover to alleviate symptoms to provide you with clinically proven eye allergy relief. Its compact size make these eye drops a convenient option for on-the-go use.