Compare to the active ingredient in Benadryl allergy tablets. Basic Care Allergy Relief offers effective multi-symptom relief in easy to swallow tablets. Just one dose provides temporary allergy Relief of runny nose, sneezing, itching of the nose or throat and itchy, watery eyes. Also temporarily relieves runny nose and sneezing due to the common cold. Each tablet contains 25 mg of diphenhydramine HCl, an antihistamine. Gluten free.