Montallerg Tablets 20'sMontallerg Tablets contain Levocetirizine 5mg and Montelukast 10mg. Levocetirizine is a non sedating antihistamine with a long duration of action and has mast cell stabilizing activity. It is used for the symptomatic relief of allergic conditions including rhinitis and chronic urticaria. Montelukast is a selective leukotriene receptor antagonist used in the management of chronic asthma and symptomatic allergic rhinitis. Dose Normal dose is one tablet