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A member asked:
How many milligrams of zyrtec (cetirizine) should i take?
A doctor has provided 1 answer
Zyrtec (cetirizine) 10 mg a day: The usual adult dose (>12 years old) for zyrtec (cetirizine) is 10 mg once a day. Under supervision of a physician, sometimes higher doses are used to treat hives.
Answered 2/3/2014
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