Clear Intestine Heat from “Treatise on Febrile Diseases” by Zhang Zhongjing, is traditionally used to treat acute diarrhoea of external syndrome and unsolved external pathogen Heat that has entered into the Intestine. It is manifested as acute diarrhoea and foul stool, abdominal pain, burning sensation in anal, noisy discomfort in the stomach and abdomen, dry mouth and thirst, sweating, yellow tongue coating, and rapid pulse.
Nowadays, it is mainly used for clearing the Large Intestine Damp-Heat. For example acute enteritis, bacterial dysentery, enteric typhoid, ulcerative colitis and gastrointestinal Heat.