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I took Zyrtec for 1 year but have now stopped. How long does it stay in the body?

Medically reviewed by Drugs.com Last updated on Nov 6, 2018.

Official Answer

by Drugs.com

Zyrtec will be in your system for at least 49.5 hours (approximately 2 days)
The elimination half-life of Zyrtec is between 8 to 9 hours. It takes approximately 5.5 x elimination half-life for a medicine to be cleared from your system. For Zyrtec this is 5.5 x 9 hours which is about 2 days.

Click on the link below for more information on Zyrtec:
https://www.drugs.com/zyrtec.html

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