A member asked:

What is the recommended doseage schedule when taking both sudafed with benadryl (diphenhydramine) together?

A doctor has provided 1 answer
Dr. Kristin Sokol answered

Specializes in Allergy and Immunology

Every 6 hours: It is OK to use both together. Do not use either one more than 4 times in a 24 hour period (every 6 hours). Of course, follow the directions on the box that indicates the number of pills (dosage) to take at one time. Sudafed is a decongestant and benadryl (diphenhydramine) is an antihistamine so they have two different effects.

Answered 1/14/2020

1.5k views

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