Montair 10 mg is an effective therapy for adults and adolescents, aged 15 years and older with asthma. It is beneficial for those who are not adequately controlled on their asthma medications and need additional treatment to gain control over asthma symptoms. The medicine comprises of Montelukast, a leukotriene receptor antagonist, which works by blocking the action of leukotrienes in the body. Leukotrienes are the substances that are responsible for causing narrowing and swelling of airways in the lungs. The chemical substance also causes allergic symptoms. Montair helps control asthma symptoms and improves seasonal allergy symptoms such as seasonal allergic rhinitis and hay fever. Your doctor may prescribe it to treat and prevent asthma symptoms that occur during the day and night.