U.S. doctors online nowAsk doctors free
Elgin, IL
A 40-year-old female asked:

My son has been taking excessive amounts of benadryl, (diphenhydramine) 12-20 pills at a time, to get high. what are the dangers, & long term health effects?

2 doctor answers3 doctors weighed in
Dr. James Ferguson
Pediatrics 48 years experience
Worrisome problem: The main risks i worry about for select patients are seizures, coma, tremors, agitation, breakdown of muscles and many others. You can read through a more comprehensive description at www.Benedryloverdose.Com.
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Creighton Wright
surgery 58 years experience
Not good: Generally a safe drug from allergies, and toxicity in usual dosages. Usually makes people sleep before "high", but. A bad idea to overdose with anything!, .
Created for people with ongoing healthcare needs but benefits everyone.

Related questions

A 31-year-old member asked:
Can a medicine with diphenydramine or Benadryl (diphenhydramine) get you feeling high?
1 doctor answer1 doctor weighed in
A 31-year-old female asked:
How many Benadryl (diphenhydramine) pills can I take at one time?
1 doctor answer4 doctors weighed in
A 39-year-old member asked:
What could happen if I took 2 50mg Benadryl (diphenhydramine) pills at the same time?
1 doctor answer3 doctors weighed in
Last updated Mar 2, 2016


Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.