Cooked Aconite Blocks — Safety & Interactions
Shou Fu Kuai · Aconiti Lateralis Radix Praeparata
Contraindicated / High risk. Use only under practitioner supervision.
Contraindications
- Pregnancy
- Heat patterns, Yin deficiency with heat, or true fluid depletion without cold
- Raw, under-processed, or under-decocted aconite for internal use
- Unstable severe cardiac disease without expert supervision
Cautions
- Shou Fu Kuai remains toxic despite being cooked; it should be authentically sourced, dosed by an experienced practitioner, and typically pre-decocted for an extended period before the rest of a formula is added.
- Aconite poisoning can present with mouth numbness, tingling, nausea, vomiting, diarrhea, weakness, hypotension, and life-threatening ventricular arrhythmias; suspected toxicity requires emergency care.
- 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.