Clinical experience with long-term cromolyn sodium administration in 53 asthmatic children.

Cromolyn sodium was administered by inhalation four times a day to 53 severely asthmatic children for periods ranging from 10 to 43 months. The patients were seen at follow-up vists at least once a month through the entire study period. At the cut-off point of the study cromolyn sodium had been effective in controlling asthma by reducing the level of asthma symptoms, such as coughing, wheezing, sleep disturbance and sputum output. In addition there was a reduction in the patients' requirements for concomitant anti-asthma medications (including corticosteroids) and the number of hospitalizations and school absences.