Bilazest M Tablet 10 is generally used to treat allergy problems like sneezing, runny nose, congestion, stuffy nose, or watery eyes. When the immune system reacts to a foreign chemical that is generally not damaging to your body, an allergy is a disorder that develops. These alien materials are referred to as "allergens." Certain foods and seasonal allergens like hay fever, pollen, or pet dander may cause allergies in some people. When mucus or a foreign irritant enters the respiratory system, the cough reflex occurs in the throat, which is one of the primary symptoms of allergy. Leukotriene receptor antagonist Montelukast and bilastine are combined in Bilazest M Tablet 10's (antihistamine). The leukotriene receptor class includes montelukast.Disclaimer:For more information contact your physician.