3 doctors weighed in:
What are the long-term side effects of cetirizine hydrochloride? Say, taking it 6 months?
3 doctors weighed in

Dr. John Overholt
Internal Medicine - Allergy & Immunology
2 doctors agree
In brief: None.
Cetirizine makes 10-15% of people sleepy.
Other than that it is very well tolerated. It is actually a metabolite of hydroxyzine, an antihistamine that has been around for decades.

In brief: None.
Cetirizine makes 10-15% of people sleepy.
Other than that it is very well tolerated. It is actually a metabolite of hydroxyzine, an antihistamine that has been around for decades.
Dr. John Overholt
Dr. John Overholt
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