Answers by TheMediTary.Com - Last updated: 12-Jul-2023
Cetirizine can be taken at any time of the day. In most people it is non-sedating, so they take it in the morning. However, a percentage of people do find it to be sedating so if it does make you drowsy it is best to take it in the evening.
Cetirizine can be taken with or without food.
For more information on Cetirizine see:
https://www.drugs.com/cetirizine-hcl.html