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A member asked:
Is it ok to take multiple types of antihistamines within a 24-hour period? nothing seems to work as long as advertised.
A doctor has provided 1 answer
DETAILS?????: What are you treating? Which antihistamines? How many of each? There are easy answers after the details are given. No answer is possible without this information. For chronic urticaria I may manage it with 10 or 20mg cetirizine (Zyrtec) in AM and hydroxyzine at bedtime. I never use Benadryl (diphenhydramine) except as a sleeping pill.
Answered 1/31/2015
3.3k views
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