Problem: The licensed prescriber orders diphenhydramine for a child weighing 22.7 kg. You have available diphenhydramine 12.5 mg/mL. The daily dosage for a child is 5 mg/kg/24-hour in four divided doses. Calculate the dosage (mg/dose) the patient should receive. Round to the nearest tenth. Then calculate the amount (mL) to be administered per dose. Round mL to the nearest tenth. Need Assignment Help?