Relief of acute bronchospasmAdult 100 or 200 mcg. Childn 100 mcg. May increase dose to 200 mcg. Prevention of allergen or exercise-induced bronchospasmAdult 200 mcg before challenge. Childn 100 mcg before challenge, may be increased to 200 mcg. Chronic therapyAdult Up to 200 mcg 4 times daily Childn Up to 200 mcg 4 times daily. Max: 4 times daily.
Thyrotoxicosis, hypokalemia. Acute severe asthma may be potentiated by concomitant treatment w/ xanthine derivates, steroids, diuretics. Hypoxia. Monitor serum K levels.