Brand Name: Montia-L Tablets Composition: Montelukast 10mg + Levocetirizine 5mg + Ambroxol 75mg SR Description: Levocetirizine works by blocking a specific allergenic molecule called leukotrienes. Montelukast works by blocking leukotriene—linked chemical messengers that contribute to inflammation in the airways. This means they help reduce symptoms of asthma and alleviate symptoms of hay fever.