₹ 110 / Pack Get Latest Price Composition Ipratropium Bromide and Levosalbutamol Brand Duolin Treatment Anti Asthma Prescription/Non prescription Prescription Form Inhaler Shelf life 24 Months Country of Origin Made in India DUOLIN is indicated for the treatment of reversible bronchospasm associated with obstructive airway diseases in patients who require more than a single bronchodilator. DUOLIN inhalation solution in respiratory nebules may be administered from a suitable nebuliser or an intermittent positive pressure ventilator.