Decumbent Corydalis Rhizome — Safety & Interactions

Xia Tian Wu · Rhizoma Corydalis Decumbentis

Contraindications

  • Pregnancy
  • Marked hypotension
  • Concurrent use of narrow-therapeutic-index drugs metabolized by CYP1A2, CYP2C19, or CYP3A4 without supervision

Cautions

  • Because Xia Tian Wu can affect CYP450 enzymes, concurrent medication use deserves careful review rather than casual combination.
  • Its modern use in hypertension and arrhythmic-adjacent settings suggests extra caution for patients already using cardiovascular drugs.
  • The herb should not be treated as interchangeable with Yan Hu Suo or other common Corydalis pain herbs.
  • MSK page not found - drug interaction data not available from Memorial Sloan Kettering integrative medicine database

Drug Interactions

Drug Class / Substrate Mechanism Severity Source
CYP1A2 substrate drugs - Corydalis decumbens may inhibit metabolism and raise blood levels
CYP3A4 substrate drugs - Corydalis decumbens may inhibit metabolism and alter blood levels
CYP2C19 substrate drugs - Corydalis decumbens may induce metabolism and reduce blood levels

Pregnancy

Not recommended during pregnancy. Consult a qualified practitioner before any use.

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.