All-Grass of Discolor Cinquefoil — Safety & Interactions
Fan Bai Cao · Herba Potentillae Discoloris
Use with caution. Practitioner review recommended before use.
Contraindications
- Yang deficiency or cold-deficiency patterns — cold thermal nature may aggravate deficiency-cold conditions
- Pregnancy — blood-cooling and haemostatic actions contraindicated; may affect uterine circulation
- Active menstruation in patients with cold-type dysmenorrhea — cold nature may worsen cramping
Cautions
- May potentiate hypoglycaemic medications — monitor blood glucose when used alongside antidiabetic drugs
- Use cautiously in patients on anticoagulant therapy — combined haemostatic and blood-moving properties may produce unpredictable coagulation effects
- Standard decoction dose 9–15 g dried herb; fresh herb 30–60 g; do not exceed without practitioner supervision
Drug Interactions
| Drug Class / Substrate | Mechanism | Severity | Source |
|---|---|---|---|
| Antidiabetic drugs (metformin, insulin, sulfonylureas, GLP-1 agonists) | Additive blood-glucose-lowering effect via polysaccharide and flavonoid fractions; concurrent use may cause hypoglycaemia | Moderate | PMC10577192 — Effects of Potentilla discolor bunge extracts on oxidative stress and glycolipid metabolism (systematic review and meta-analysis) |
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.