MONTELUKAST+LEVOCETIRIZINE+AMBROXOL is composed of anti-asthma, and anti-allergic drugs consist of three medicines: Levocetirizine, Ambroxol, and Montelukast. The first medicine, i.e. Levocetirizine, belongs to a class of medications called antihistamine or anti-allergic that blocks the effects of a chemical messenger known as 'histamine,' naturally involved in allergic reactions. It helps relieve allergy symptoms such as sneezing, running nose, watery eyes, itching, swelling, congestion, or stiffness. Ambroxol is a mucolytic that reduces mucus and makes coughing easy. Montelukast is a leukotriene antagonist, which blocks a chemical messenger (leukotriene) and reduces inflammation and swelling in the nose, making it easy to breathe. Collectively, all of them help to improve symptoms and treat asthma.