Intermittent and continuous salbutamol rotacaps inhalation in asthmatic patients.

We studied 18 asthmatic patients over an 8-week period. Each patient received for 4 weeks continuous and for 4 weeks intermittent salbutamol rotacaps (400 micrograms) using a double-crossover technique. No significant differences were found between the two treatment regimens as judged by daily card scores and daily PEFR (both a.m and p.m.). Lung Function tests performed monthly in the hospital showed no significant differences between two treatments or the development of bronchial beta-adrenoreceptor resistance.