Montelukast (Novakast-10) 10mg Film-Coated Tablets are used to prevent and manage asthma symptoms and allergic rhinitis. They work by blocking leukotrienes, chemicals that contribute to inflammation and constriction in the airways, helping to improve breathing and reduce allergic reactions. The film-coated tablets provide a convenient and easy way to take the medication. Each pack contains 100 tablets, ideal for long-term use in managing asthma and allergies.