Reversair CT 10 mg Chewable Tablet is a medication manufactured by ACI Limited, containing Montelukast Sodium, a leukotriene receptor antagonist. It is primarily used for the prophylaxis and chronic treatment of asthma, as well as for the relief of symptoms of seasonal allergic rhinitis. Montelukast works by blocking leukotrienes, substances in the body that cause narrowing and swelling of airways in the lungs and also cause allergy symptoms