A. Antitussives Central antitussives Narcotic drugs codeine可待因 pholcodine福尔可定 Drotebanol羟蒂巴酚 ◆ Non-Narcotic drugs dextromethorphan右美沙芬 pentoxyverine喷托维林(咳必清) o Peripheral antitussives benzonatate苯佐那酯A. Antitussives