Can I take Benadryl after drinking?

Taking them together is dangerous because they can slow down your CNS too much. This can cause drowsiness, sedation, and trouble doing physical and mental tasks that require alertness. In short, Benadryl and alcohol shouldn’t be used together.

How long should one wait to drink alcohol after taking Benadryl?

How Long After Taking Antihistamines Can I Drink Alcohol? Antihistamines such as Benadryl are known to stay in the body for up to 48 hours. But this could be extended in older adults. It’s highly recommended that you wait until the drugs wear off before drinking alcohol.