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A member asked:

Omg i took a zyrtec this morning and just took one now i thought i was talking my singular and didnt look at the bottle?

A doctor has provided 1 answer
Dr. John Chiu answered

No problem: Fortunately for you, the safety margin for Zyrtec is quite high and there is no drug interaction with Singular. At the most, you may have slight drowsiness . Other drugs may not be as forgiving

Answered 11/3/2017

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