Glandularstalk St. Paulswort — Safety & Interactions
Xi Xian Cao · Herba Siegesbeckiae
Use with caution. Practitioner review recommended before use.
Contraindications
- Pregnancy — channel-opening action; contraindicated
- Blood deficiency without Wind-Damp pattern
- Spleen-Stomach Deficiency Cold (raw herb especially)
Cautions
- Classified as slightly toxic (有小毒) in Chinese Pharmacopoeia; raw form can cause nausea and vomiting at higher doses
- Wine-steamed (processed) form is gentler and preferred for chronic deficiency conditions
- Standard dose 9–12g decoction; up to 30g used under supervision for hypertension or severe Bi syndrome
- Overdose may cause persistent vomiting requiring medical attention
Drug Interactions
| Drug Class / Substrate | Mechanism | Severity | Source |
|---|---|---|---|
| Antihypertensive medications: additive blood-pressure-lowering effect possible; monitor for hypotension | |||
| Immunosuppressants: preclinical immunosuppressive activity reported; caution with concurrent immunosuppressive therapy | |||
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.