Levocetirizine

Levocetirizine, sold under the brand name Xyzal among others, is a second-generation antihistamine used for the treatment of allergic rhinitis (hay fever) and long term hives of unclear cause.[1] It is less sedating than older antihistamines.[2] It is taken by mouth.[1] Common side effects include sleepiness, dry mouth, cough, vomiting, and diarrhea.[1] Use in pregnancy appears safe but has not been well studied and use when brea... [wikipedia]