Treatment of acute bronchospasm Adult 100 or 200 mcg.
Childn 100 mcg, if needed, dose may be increased to 200 mcg.
Prophylaxis of exercise-induced bronchospasm Adult 200 mcg prior to exercise.
Childn 100 mcg, if needed, doses may be increased to 200 mcg prior to exercise.
Chronic treatment Adult & childn Up to 200 mcg 4 times daily.