Wei Jing Tang (Reed Decoction) — Herbal Remedy for Lung abscess: cough with foul-smelling purulent sputum, possibly blood-streaked, chest pain, fever. Modern: lung abscess, bronchiectasis, empyema, suppurative pneumonia | Living Netism

A formula for lung abscess (fei yong). Zhang Zhongjing described this condition as coughing with expectoration of foul-smelling pus and blood. Wei Jing (Reed stem) clears heat from the Lung while Yi Y