Allergy treatment: Levocetirizine is the optical isomer of Cetirizine (zyrtec) which is an antihistamine. Levocetirizine is marketted as xyzal (levocetirizine). This antihistamine may be more effective with less side effects for some people to treat allergies and hives.
Answered 7/26/2016
4.9k views
5 doctors weighed in across 2 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question