For the relief and prevention of asthma symptoms in mild, moderate or severe asthma.
It should be used to relieve symptoms when they occur, and to prevent them in those circumstances recognised by the patient to precipitate an asthma attack (e.g. before exercise or unavoidable allergen exposure).
It provides short-acting (4 to 6 hours) bronchodilatation with fast onset (within 5 minutes) in reversible airways obstruction.