Active Ingredient (in each Tablet) - Purpose: Diphenhydramine HCl 25mg - Antihistamine. Inactive Ingredients: Carnauba Wax, Croscarmellose Sodium, D&C Red No. 27 Aluminum Lake, Dibasic Calcium Phosphate, Hypromellose, Magnesium Stearate, Microcrystalline Cellulose, Polyethylene Glycol, Polysorbate 80, Titanium Dioxide.