A member asked:

I took 40 ml of zzquil and the other active ingredient is diphenhydramine. how long should i wait to safely drink alcohol? i weigh about 120 lbs. and took the medicine at 1 am?

A doctor has provided 1 answer
Dr. Samuel Galima answered

Specializes in Family Medicine

The combination of diphenhydramine and alcohol can enhance the CNS depressing effects of alcohol. It takes the body up to 3-4 days to fully clear the diphenhydramine from the system

Answered 1/1/2023

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