A 39-year-old member asked:
Taking cetirizine and diphenhydramine together?
1 doctor answer
Dr. Michael Zacharisen answered
32 years experience in Allergy and Immunology
Ok not necessary?: Both Cetirizine (zyrtec) and Diphenhydramine (benadryl) are antihistamines. While there is little harm in taking the 2 together (except drowsiness in some people even at usual doses), it should not be necessary. If symptoms are that severe, see an allergist for a better treatment plan.
Answered on Jan 28, 2019
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