Yes: It is a sedative antihistamine. Causes drowsiness, dryness of respiratory system & even impair breathing in elderly patient & otherr very affected ones. A high dose of Benadryl (diphenhydramine) (over 150 mg) can cause depression of system & is compare to 0.08% of alcohol effect in the brain.
Answered 6/24/2014
5k views
4 doctors weighed in across 2 answers
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question