Clinical effectiveness of KSS formula, a traditional folk remedy for alcohol hangover symptoms

J Nat Med. 2010 Oct;64(4):487-91. doi: 10.1007/s11418-010-0430-9. Epub 2010 Jun 18.


A formula (KSS formula) containing the pith of Citrus tangerine Hort. et Tanaka (Kitsuraku), the rhizome of Zingiber officinale (Shokyo), and brown sugar has been traditionally used in China for the treatment of discomfort and cold sensation in the abdomen after ingestion of large amounts of alcohol. We evaluated the clinical effectiveness of this formula on signs and symptoms of alcohol hangover (AH). Of the twenty-two symptoms listed, significant decreases in severity scores were shown in nausea, vomiting, and diarrhea when the formula was administered in scheduled prophylactic doses. The score in overall well-being, ranging from 0 to 100 (worst possible condition), was 68.9 +/- 16.5 (mean +/- SD) in the control group and it decreased to 46.9 +/- 27.3 and to 44.4 +/- 26.4 in the two groups that included a dosing point prior to alcohol ingestion. Regardless of dosing schedules, KSS formula did not alter the time required for complete recovery from AH symptoms. These findings suggest the possibility that KSS formula may become a candidate for AH remedy when administered prophylactically.

Publication types

  • Comparative Study

MeSH terms

  • Adult
  • Alcohol Drinking / adverse effects
  • Alcohol Drinking / drug therapy*
  • Citrus*
  • Diarrhea / drug therapy
  • Diarrhea / etiology
  • Drugs, Chinese Herbal / isolation & purification
  • Drugs, Chinese Herbal / therapeutic use*
  • Female
  • Ginger*
  • Humans
  • Male
  • Medicine, Traditional / methods*
  • Middle Aged
  • Nausea / drug therapy
  • Nausea / etiology
  • Rhizome
  • Sucrose / therapeutic use*
  • Vomiting / drug therapy
  • Vomiting / etiology
  • Young Adult


  • Drugs, Chinese Herbal
  • Sucrose