Get detailed information on Diphenhydramine ... PO- Adult- The recommended dose is 25 mg to 50 mg (1 to 2 capsules). Child- The recommended dose is 12.5 mg to 25 mg (1 capsule).

He was treated with diphenhydramine hydrochloride 25 mg i.v. and famotidine 20 mg ... The patient received a prescription for a prednisone 5-mg dose pack from a primary care provider earlier ...