Emlukast-FX Tablet 10's come under the category of "anti-allergic" medications, which are primarily used to treat allergic symptoms including 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. 'Allergens' are these alien chemicals. 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, one of the main signs of allergies is a cough, which occurs as a reflex in the throat. A combination of two medications, Montelukast (a leukotriene receptor antagonist) and Fexofenadine, is known as Emlukast-FX Tablet 10. (antihistamine).Disclaimer:For more information contact your physician.