Chinese: Da Huang Gan Cao Tang
English: Rhubarb and Licorice Decoction
Source: Jinguiyaolue (Essentials from the Golden Cabinet)
Pulse: shunken
Tongue: dry fur
Abdomen: fukuman
Indications: This herbal formula has been used for patients with following health conditions and symptoms:
- Constipation in general
There are many other health conditions that may respond well to this herbal formula, in particular patients exhibiting indicative traditional diagnostic signs and symptoms.
Abdominal pattern (fukusho) of Daokanzoto (from Fukusho Kiran, 1800)

Basic and Clinical Research on Daiokanzoto (Da Huang Gan Cao Tang ) – Updated on Mar. 30, 2011
Miyoshi A, Masamune O, Fukutomi H, et al. The clinical effect of TSUMURA Daio-Kanzo-to Extract Granules for ethical use (TJ-84) against the constipation based on the new standard. Shokakika (Gastroenterology) 22: 314-28 (1996)
Harasawa S, Miyoshi A. Reevaluation of Kampo medicine in patients with constipation – efficacy of Daio-kanzo-to and Shokakigan (Japanese Journal of Cancer of the Digestive Organs) 6: 271-7 (1996)
Miyoshi A, Masamune O, Fukutomi H, et al. The clinical effect of TSUMURA Daio-Kanzo-To Extract Granules for ethical use (TJ-84) on constipation using double blind test. Shokakika (Gastroenterology) 18: 299-312 (1994)
Yokota H, Kanazawa H, Kondo T, et al. New colon preparation using the Kampo herb method (Daio-kanzo-to). Therapeutic Research 10: 1637-43 (1989)
