Product Details Diphenhydramine HCl 12.5 mg/5 mL Oral Solution Antihistamine. 4-6 hours/dose. Relief of: sneezing; runny nose; itchy, watery eyes; itchy throat or nose; alcohol free. Compare to Children's Benadryl Allergy Liquid active ingredient (This product is not manufactured or distributed by McNeil Consumer Healthcare, distributor of Children's Benadryl Allergy Liquid). Essential to care since 1979. 100% money back guarantee. All Leader Brand Products have a 100% money back guarantee. Return to place of purchase if not satisfied. www.myleader.com.