Bilahenz M 20mg Tablet is a dual-action prescription medication used to manage persistent allergic symptoms. It combines an antihistamine and a leukotriene receptor antagonist to target two distinct chemical pathways responsible for allergic inflammation in the respiratory tract and skin. Key InformationAttributeDetailsActive IngredientsBilastine (20 mg) + Montelukast (10 mg)Therapeutic ClassAnti-allergic / Antihistamine & Leukotriene Antagonist combinationCommon UsesAllergic Rhinitis (sneezing, runny nose, watery eyes, nasal congestion) and Chronic Idiopathic Urticaria (hives, itching)AdministrationTaken orally as a single daily dose, ideally on an empty stomach (1 hour before or 2 hours after food) as directed by a physicianMechanism of ActionBilastine blocks $H_1$ histamine receptors to prevent acute allergic reactions without causing significant drowsiness. Montelukast blocks leukotriene receptors to reduce airway inflammation, mucus production, and swelling. Note: Bilahenz M is a prescription-only medication. Consult a healthcare professional or pharmacist for specific dosage instructions, potential drug interactions, and safety guidance.