Answers by TheMediTary.Com - Last updated: 13-Jul-2023
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