Immediately after intravenous injection of undiluted 1 mL of 50 mg diphenhydramine hydrochloride (West-Ward Pharmaceuticals Eatontown, New Jersey, USA), patient developed transient burning pain and ...

He was given prescriptions for diphenhydramine hydrochloride 50 mg orally four times daily and ranitidine hydrochloride 150 mg orally twice daily for 10 days, in addition to the prednisone regimen ...

There are many brands and forms of diphenhydramine available. Read the dosing instructions carefully for each product because the amount of diphenhydramine may be different between products.

If you turn to this old standby for relief when allergy symptoms hit, the FDA says one generic type was "imprinted" with the ...