Figwort Root — Safety & Interactions

Xuan Shen · Radix Scrophulariae

Contraindications

  • Spleen-Stomach deficiency cold with loose stools
  • Chronic diarrhea without clear heat or dryness
  • Use in formulas that intentionally avoid the traditional incompatibility with Li Lu

Cautions

  • Xuan Shen is deeply cold and can burden weak digestion if used indiscriminately.
  • Because of the old classical incompatibility tradition with Li Lu, formula context matters.
  • MSK page not found - drug interaction data not available from Memorial Sloan Kettering integrative medicine database

Drug Interactions

Drug Class / Substrate Mechanism Severity Source
Antithyroid or thyroid-active treatment - theoretical overlap in patients using concentrated extracts for thyroid-related self-care

This information is for educational purposes only and does not constitute medical advice. Always consult a qualified healthcare provider before using herbal medicines, especially if you take prescription medications.