Give your dog fast, effective relief with one dose of PETARMOR Antihistamine Tablets. Its your easy-to-use in-home solution that helps relieve their sensitive itchy skin and soothe insect bites and stings. It has the same active ingredient as BENADRYL Allergy ULTRATABS*. YOU ARE YOUR PET\'S ARMOR. *BENADRYL and Allergy ULTRATABS are registered trad..