Guang Earthworm — Safety & Interactions

Guang Di Long · Pheretima aspergillum

Contraindications

  • Cold deficiency patterns without heat or obstruction
  • Known allergy to animal-derived medicines
  • Active bleeding disorders without close supervision

Cautions

  • Guang Di Long quality varies widely in commerce, and authentication matters because adulteration is common.
  • Coagulation effects and contamination concerns, including heavy metals in some market samples, warrant more caution than its common-label simplicity suggests.
  • MSK page not found - drug interaction data not available from Memorial Sloan Kettering integrative medicine database

Drug Interactions

Drug Class / Substrate Mechanism Severity Source
Anticoagulants or antiplatelet drugs - theoretical additive bleeding risk
Fibrinolytic or thrombolytic medications - theoretical additive clot-dissolving effect

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.