Prepared Aconite Lateral Root — Safety & Interactions
Fu Zi · Aconiti Lateralis Radix Praeparata
Contraindicated / High risk. Use only under practitioner supervision.
Contraindications
- Pregnancy
- Heat patterns, Yin deficiency with heat, or true interior heat without cold
- Raw or inadequately processed aconite for internal use
- Unsupervised use in children or frail patients
Cautions
- Fu Zi is one of the most toxic medicinals in the Chinese materia medica; even prepared forms require expert dosing, authenticated sourcing, and pre-decoction.
- Toxicity symptoms can begin within 30 minutes to a few hours and include numbness, vomiting, diarrhea, weakness, hypotension, and life-threatening arrhythmias.
- Traditional incompatibility cautions remain for Ban Xia, the Gua Lou group, Tian Hua Fen, Bai Ji, Bai Lian, and the Bei Mu group.
- MSK page not found - drug interaction data not available from Memorial Sloan Kettering integrative medicine database
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.