Drug General Information (ID: DDIXFA53YW)
  Drug Name Digitoxin Drug Info Licorice Drug Info
  Drug Type Small molecule Natural product
  Therapeutic Class Antiarrhythmic Agents Herbal Products
  Structure

 Mechanism of Digitoxin-Licorice Interaction (Severity Level: Moderate)
     Increased risk of hypokalemia Click to Show/Hide Mechanism Graph
Could Not Find 2D Structure
      Drug Name Digitoxin Licorice
      Mechanism Hypokalemia Hypokalemia
      Key Mechanism Factor 1
Factor Name Hypokalemia
Factor Description Hypokalemia is a condition in which the amount of potassium in your blood is lower than normal. If you are mildly hypokalemic, you may not have any signs or symptoms, but severe hypokalemia may have the following symptoms: fatigue, constipation, frequent or heavy urination, muscle cramps or skin tingling, muscle weakness, and a fast or irregular heartbeat.
      Mechanism Description
  • Increased risk of hypokalemia by the combination of Digitoxin and Licorice 

Recommended Action
      Management Patients should consult a healthcare provider before taking any herbal or alternative medicine. In general, chronic use of licorice and licorice-containing products should be avoided in patients treated with cardiac glycosides.

References
1 de Klerk GJ, Nieuwenhuis MG, Beutler JJ "Lesson of the week: hypokalaemia and hypertension associated with use of liquorice flavoured chewing gum." BMJ 314 (1997): 731. [PMID: 9116553]
2 Elinav E, Chajek-Shaul T "Licorice consumption causing severe hypokalemic paralysis." Mayo Clin Proc 78 (2003): 767-8. [PMID: 12934789]
3 Nielsen I, Pedersen RS "Life-threatening hypokalaemia caused by liquorice ingestion." Lancet 1 (1984): 1305. [PMID: 6145019]