Antiasthmatic drugs 口 Bronchodilators β Receptor agonists o Non-selective adrenaline, isoprenaline β2- selective: D moderate-acting: salbutamol, terbutaline D long-acting: salmeterol, formoterol D Theophyllines: aminophylline D Muscarinic antagonists: ipratropium bromideAntiasthmatic drugs Bronchodilators  Receptor agonists Non-selective：adrenaline, isoprenaline 2-selective: moderate-acting: salbutamol, terbutaline long-acting: salmeterol, formoterol Theophyllines: aminophylline Muscarinic antagonists: ipratropium bromide