Kidney cough

Also kidney channel cough. Cough occurring in bouts that cause lumbar pain, and, in severe cases, coughing of spittle and drool. If caused by contraction of cold evil, it can be treated with Ephedra, Aconite, and Asarum Decoction (麻黄附子细辛汤 má huáng fù zǐ xì xīn tāng). If due to desiccation of kidney yīn, it can be treated with Root-Securing Pill (固本丸 gù běn wán) or Metropolis Qì Pill (都气丸 dū qì wán) plus ginseng (Ginseng Radix, 人参 rén shēn) and ophiopogon (Ophiopogonis Radix, 麦门冬 mài mén dōng).