Duolin 3Ml Respules 5'S is a combination medication used to treat or prevent the symptoms of chronic obstructive pulmonary disease (COPD), such as shortness of breath, coughing, or wheezing (whistling sound while breathing). COPD is a group of lung diseases that includes emphysema (breathing difficulty caused by a damaged air sac) and chronic bronchitis (inflammation and narrowing of the lining of airways or bronchial tubes).Disclaimer:For More Information Contact Your Physician