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Patients of bronchial asthma were randomly divided into two groups. Group A patients received salbutamol inhaler while group B patients were put on salbutamol rotahaler. Nine out of 34 patients in Group A failed to use their inhalers correctly but only two out of 35 patients in group B could not use their rotahalers correctly (p<0.001). The time taken to learn the procedure was 18.6 ± 5.4 and 10.2 ± 3.7 minutes respectively in the compliant patients of the two groups. (p<0.001). The mean rise in PEFR was similar for the two delivery systems in the compliant patients i.e. 111.4 ± 26.5 lit/min for group A and 121.8 ± 22.2 lit/min for group B (p>0.005). Salbutamol rotahaler thus should replace the salbutamol inhaler.
