A member asked:

I took my zyrtec about20 hours ago. i want to take it now so that when i wake up, my allergies will be better. is that okay?

3 doctors weighed in across 2 answers
Dr. Al Hegab answered

Specializes in Allergy and Immunology

Yes, fine to use: the drug is out of your system, if you have good kidney function, by about 20 hours, so no problem having another dose now, best wishes

Answered 4/15/2017

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Go for it: This would be a reasonable schedule and not get you into any trouble.

Answered 4/16/2017

730 views

Thank

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