Levolin 1.25 mg Respules 5 x 2.5 ml is used to treat bronchospasm and symptoms of asthma and chronic obstructive pulmonary disease (COPD). Levolin 1.25 mg Respules 5 x 2.5 ml helps to relieve symptoms like coughing, wheezing and shortness of breath. Bronchospasm is the tightening of the muscles that line the airways or bronchi in the lungs. Asthma is a breathing problem in which airways narrow, swell and produce extra mucus, leading to difficulty breathing. COPD is a group of lung diseases with emphysema (shortness of breath) and chronic bronchitis (inflammation of the lining of the bronchial tubes).