Duolin Inhaler is a prescription medication used to manage and relieve symptoms of chronic obstructive pulmonary disease (COPD), including chronic bronchitis and emphysema. It contains two active ingredients: Ipratropium Bromide and Levosalbutamol (Levalbuterol), which work together to relax the muscles of the airways and improve airflow to the lungs. Ipratropium is an anticholinergic... https://v-carepharmacy.com/shop/duolin-inhaler-50-mcg-20-mcg