Xyzal M Tablet 15's Is a Mixture Of Anti-Allergic Treatments That Includes Two Medications: Levocetirizine And Montelukast, Which Are Primarily Used To Treat Allergic Symptoms. Levocetirizine Inhibits The Effects Of a Chemical Messenger Known As 'Histamine,' Which Is Naturally Implicated In Allergic Reactions.Disclaimer:For More Information Contact Your Physician