A 43-year-old member asked:
How much diphenhydramine HCl will kill me?
1 doctor answer
Dr. John Chiu answered
56 years experience in Allergy and Immunology
Tons: You will likely be able to tolerate at least 5 capsules without much problem except for drowsiness and a dry mouth. As for the lethal dose, i don't know the exact number but i'd doubt that even taking 20 capsules can kill you.
Answered on Mar 12, 2016
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:
People also searched for:
Connect by text or video with a U.S. board-certified doctor now — wait time is less than 1 minute!