This combination of Bilastine 20 mg and Montelukast 10 mg offers comprehensive relief from both allergic rhinitis and asthma symptoms. Bilastine, a non-drowsy antihistamine, effectively alleviates allergy symptoms like sneezing, runny nose, and itchy eyes by blocking H1 histamine receptors. Montelukast, a leukotriene receptor antagonist, works by blocking leukotrienes, which cause inflammation, swelling, and mucus production in the airways. Together, this combination provides broader relief from respiratory allergies, helping manage symptoms of seasonal allergies, chronic urticaria (hives), and mild asthma, making it suitable for patients needing both antihistamine and anti-inflammatory benefits.