Montelukast (Novakast-5) 5mg Chewable Tablets are used to manage asthma symptoms and allergic rhinitis, particularly in children and adults. The 5mg dosage works by blocking leukotrienes, chemicals in the body that cause inflammation and narrowing of the airways, thereby improving breathing and reducing allergy symptoms. These chewable tablets make it easier for individuals who have difficulty swallowing pills. Each pack contains 100 tablets, ideal for long-term use in controlling asthma and allergies.