Wu Tou Aconite Root … Safety & Interactions

Wu Tou · Radix Aconiti

Contraindications

  • Pregnancy
  • Heat syndromes, yin deficiency with heat, or true fluid depletion without cold
  • Internal use of raw or inadequately processed aconite without expert supervision
  • Known ventricular arrhythmia or unstable severe cardiac disease

Cautions

  • Wu Tou is a classical high-toxicity aconite-root lane, not a separate gentler cousin of Chuan Wu.
  • Improper dosing or under-processing can cause oral numbness, gastrointestinal distress, neurologic symptoms, hypotension, and fatal ventricular arrhythmias.
  • Historical formula importance should never be mistaken for modern self-treatment safety.

Drug Interactions

Drug Class / Substrate Mechanism Severity Source
Cardiac glycosides such as digoxin ... additive arrhythmogenic risk
Class I and III antiarrhythmic drugs ... unpredictable electrophysiologic interaction
Beta-blockers or other rate-slowing agents ... may worsen bradycardia or mask early toxicity
QT-prolonging medications ... additive risk of malignant ventricular arrhythmia

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.