Seroflo 250 Rotacap is a respiratory medication used to treat and prevent respiratory disorders like asthma attacks and chronic obstructive pulmonary diseases (COPD). 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 your bronchial tubes).