The main action of Levocetirizine Hydrochloride Oral Solution is anti-allergic. The main ingredient of Levocetirizine Hydrochloride Oral Solution is Levocetirizine Hydrochloride, which is a systemic antihistamine, and its main action is anti-allergy. Levocetirizine Hydrochloride Oral Solution is mainly used for the treatment of urticaria, eczema, allergic rhinitis and other allergic diseases in clinic. Adverse reactions produced by Levocetirizine Hydrochloride Oral Solution are generally mild, commonly including drowsiness, headache, dry mouth, fatigue, etc., and can be self-cured in most cases. When using Levocetirizine Hydrochloride Oral Solution, it should be noted that patients who are allergic to the components of the drug, as well as women during pregnancy and lactation should not use the drug. It is recommended that when using Levocetirizine Hydrochloride Oral Solution, patients consult a professional doctor in advance and take the drug as prescribed by the doctor.