Canadian Respiratory Journal 3 Medication Formoterol fumarate Salmeterol Salbutamol Fenoterol Terbutaline Fenoterol / ipratropium Salbutamol / ipratropium Ipratropium bromide Tiotropium bromide Salmeterol / fluticasone propionate Budesonide Theophylline Oxtriphylline Fluticasone propionate