Montelukast (Gentakast) 5mg Chewable Tablets are used to manage and prevent symptoms of asthma and allergic rhinitis in children and adults. These tablets work by blocking leukotrienes, which contribute to inflammation and constriction in the airways. The chewable form makes it easier for children to take. Each pack contains 100 tablets, providing an effective and convenient option for long-term asthma or allergy management.