Children's Allergy Relief 12.5 mg Strength Liquid 118 ml - EachHelp your children cope with allergy and sinus congestion and get a good night's sleep with Major's diphenhydramine oral solution antihistamine Each teaspoon dose contains 12. 5 milligrams of diphenhydramine HCI Diphenhydramine can also relieve symptoms of motion sickness such as nausea Alcohol free and sugar free, Major's diphenhydramine oral solution antihistamine has a palatable cherry flavor so your kids will be less likely to turn their noses up