Powerful Allergy Relief with Benadryl Allergy Ultratabs Experience potent relief from unexpected allergies with Benadryl Allergy Ultratabs Antihistamine Allergy Relief Tablets. These tablets offer effective relief from hay fever, upper respiratory allergies, and common cold symptoms. Each small, oval-shaped coated tablet contains 25 milligrams of the antihistamine diphenhydramine HCl. This ingredient temporarily alleviates allergy symptoms due to hay fever and upper respiratory allergies like sneezing, runny nose, itchy throat and nose, and itchy, watery eyes. It also combats the common cold symptoms of runny nose and sneezing. Trusted...