Bile Arisaema Classic Formulas — Natural Herb Library

Primary Actions

Clears Heat and transforms phlegm-heat - used for thick yellow sputum, heat-agitated phlegm in the Lung, and turbid phlegm obstructing the sensory orifices.
Extinguishes wind and calms convulsions - applied when phlegm-heat stirs internal wind, causing seizures, childhood convulsions, trembling, or fright-type agitation.
Addresses stroke and epilepsy with phlegm obstruction - a classic choice when copious sputum, loss of consciousness, or recurrent convulsive disorders show a clear phlegm-heat component.
Represents the cooling transformation of Tian Nan Xing - bile processing redirects the warm, drying, toxic raw Arisaema toward a cooler heat-phlegm and convulsion role.

Niu Huang Bao Long Wan (牛黄抱龙丸) - pediatric convulsion pill in which Dan Nan Xing helps clear heat, resolve phlegm, and relieve convulsions in heat-phlegm closure states.
Qi Zhen Dan (七珍丹) - classical pediatric convulsion formula that includes Dan Nan Xing to cool phlegm and settle fright when thick phlegm and heat disturb the spirit.

TCM Wiki lists Dan Nan Xing with the alternate name Dan Xing and gives the core actions of clearing and resolving heat-phlegm, extinguishing wind, and calming fright.
Me and Qi and TCM-ADIP both emphasize that this is the bile-processed form of Tian Nan Xing, shifting the herb from warm-toxic phlegm dispersion toward cool heat-phlegm transformation.
IMPORT NOTE: The spreadsheet split Dan Nan Xing and Dan Xing into separate slugs, but they are the same processed medicinal under full and abbreviated names.