No black box warning on record for Diphenhydramine Hydrochloride
As of the latest FDA labeling reviewed, Diphenhydramine Hydrochloride (DIPHENHYDRAMINE HYDROCHLORIDE CAPSULE, LIQUID FILLED) does not carry a black box warning. Standard warnings and precautions still apply — see the full Diphenhydramine Hydrochloride medicine page for the complete safety profile.