Benadryl Caplets provide fast, effective relief from allergies. Each caplet contains 25mg of diphenhydramine hydrochloride, an antihistamine, to treat sneezing, runny nose, itchy and watery eyes, skin itch, and hives. Features: Fast, effective relief of allergy symptoms Contains 25mg diphenhydramine hydrochloride per caplet Treats runny nose and itchy and watery eyes Relieves skin itch, and hives Directions: Adults and children 12 years of age and over: 1 to 2 caplets every 4-6 hours. Do not exceed 8 caplets in 24 hours. Active Ingredient: Diphenhydramine Hydrochloride 25mg. Non-active Ingredients: Celluloses, Dicalcium phosphate, D&C Red No.