L Montus Tablets 10`sL Montus 5 10 mg tablets contain Levocetirizine 5 mg and Montelukast 10 mg which is used in the treatment of sneezing and runny nose due to allergies. Levocetirizine is an antiallergic which blocks a chemical messenger (histamine) responsible for runny nose, watery eyes and sneezing. Montelukast is a leukotriene antagonist. It works by blocking another chemical messenger (leukotriene). This reduces inflammation (swelling) in the airways and nose, and