Zhi zi chi tang
zhi zi 9 dan dou chi 9
After sweating, vomiting or purging, there is deficiency vexation and inability to attain sleep, if it gets worse, there will be continuous tossing and turning, with anguish in the heart, and zhi zi chi tang governs. If there is shortness of breath, zhi zi gan cao chi tang governs. If there is retching, zhi zi sheng jiang chi tang governs.
This pair clears heat in the upper burner that causes vexation and insomnia.
Zhi zi, Gardeniae fructus is bitter draining of heat in the heart, liver blood and the ministerial fire in the san jiao. It is bitter draining of damp and heat in all three burners but mostly heat. It is bitter draining of excess warm fluids.
Zhi zi is bitter and cold and clears damp and heat in all three burners but mostly heat.
Dan dou chi, Sojae semen praeparatum is pungent dispersing of cold and dampness in the stomach domain, spleen, and lungs. It is pungent dispersing of cold on the surface. It is sweet tonifying of the stomach and spleen.
Warm, pungent and sweet, it clears external cold, and eliminates irritability, harmonizes the middle jiao and relieves stuffy sensations in the chest.
Zhi zi is cold bitter draining and dan dou chi is warm pungent dispersing.
We can add this to gan cao xie xin tang if there is mental vexation due to heat.