European Verbena Herb — Safety & Interactions

Ma Bian Cao · Herba Verbenae

Contraindications

  • Pregnancy
  • Marked Spleen or Stomach deficiency without a clear excess, stasis, or heat component
  • Heavy menstrual bleeding without underlying stasis

Cautions

  • Ma Bian Cao moves blood and drains downward, so it is not an appropriate casual pregnancy herb.
  • Its cold, bitter, and moving qualities may aggravate weak digestion in depleted patients.
  • 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
Sedative medications - theoretical additive calming effect based on preclinical CNS data

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.