Bronchial asthma is very common in our country. Often these patients need agresive therapy with glucocorticoids, but this approach has some side effects , mainly those on the immune system. Thus, opportunistic infections may appear with high mortality rates. These infections are mainly mycobacterial and fungal in origen. Nocardial infections are rare in these patients. We discuss here a patient with a severe asthmatic crisis who received high steroid doses and developed nocardial pneumonia and pulmonary abscesses.