Montelukast (Gentakast) 10mg Film-Coated Tablets are used to manage and prevent symptoms of asthma and allergies, such as allergic rhinitis. Montelukast works by blocking leukotrienes, which are chemicals in the body that cause inflammation and constriction of the airways. These tablets help improve breathing and reduce inflammation in the lungs. Each pack contains 100 tablets, making it ideal for long-term use in patients requiring asthma or allergy management.