A 39-year-old member asked:
Can i take allegra and Benadryl (diphenhydramine) together?
1 doctor answer
Dr. Michael Zacharisen answered
32 years experience in Allergy and Immunology
Yes, but why: Allegra (fexofenadine) and Benadryl (diphenhydramine) are both antihistamines. Allegra doesn't cross into the brain, so no sedation. Benadryl commonly causes sedation. Typically there is no advantage to taking the 2 together, but also there is no harm at usual doses.
Answered on Oct 10, 2018
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