... pathogens, cold or heat, it can be used in prescriptions in all case. It is also good at ... promoting the dispersing function of the lung to expel pus, so it ... functional activities of Qi, cough and chest tightness, it can be used in combination with Pericarpium Citri, ... to pulmonary abscess, cough with purulent sputum, it can be used in combination with Rhizoma Phragmitis, ...