A member asked:

What happens if you take both diphenhydramine and caffeine?

A doctor has provided 1 answer
Dr. John Chiu answered

Nothing or...: Benadryl (diphenhydramine) may make your drowsy, caffeine may keep you awake. So the results my be nothing, drowsiness, or stimulating depending on the individual doses.

Answered 3/26/2019

4.9k views

Thank

Related Questions

A member asked:

If you take Adderall and Benadryl (diphenhydramine) what happens?

A doctor has provided 1 answer