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A member asked:
Is it safe to take a zyrtec (cetirizine) and 12 hours later a benedryl?
A doctor has provided 1 answer
Antihistamines: They are both antihistamines, so i wouldn't take them together. They both act similarly, so their effect would be too much together. Wait until the zyrtec (cetirizine) wears off, about 24 hours.
Answered 12/9/2013
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