Montas FX Tablets, in a strip of 10, are a combination medication containing Montelukast and Fexofenadine. Montelukast is used to treat asthma and allergic rhinitis by blocking leukotrienes, which cause inflammation and narrowing of airways. Fexofenadine is an antihistamine that reduces symptoms of allergies such as sneezing, itching, and runny nose. Montas FX Tablets are prescribed for the relief of symptoms associated with asthma and seasonal allergies.