Fire not returning to its source (huo bu gui yuan): Chinese Medicine Cases

Mouth Ulcers That Keep Coming Back and Flare Up After Ginger or Garlic — Doctor Xue Lizhai on Deficient-Fire Canker Sores: an Elder Brother with Phlegm and Dizziness, Cured by Gui Fu Di Huang Wan and Bu Zhong Yi Qi Tang, Yet Relapsing Within a Month (Fire Not Returning to Its Source)