Question 1

How does Qian Cao work to stop bleeding?

Accepted Answer

Qian Cao (Rubia cordifolia) contains anthraquinone compounds, primarily alizarin and purpurin, which provide its hemostatic effects. These compounds promote blood vessel constriction and enhance platelet aggregation, facilitating clot formation. The herb also demonstrates anti-inflammatory activity through inhibition of pro-inflammatory mediators, which supports its wound-healing properties. Evidence Level C indicates these mechanisms are supported by preliminary pharmacological studies and extensive traditional use, though human clinical trials remain limited.

Question 2

Can I take Qian Cao with blood thinners like warfarin?

Accepted Answer

No, Qian Cao should not be taken with anticoagulant medications such as warfarin, heparin, or antiplatelet drugs like aspirin and clopidogrel. The herb possesses inherent blood-activating and anticoagulant properties that may potentiate the effects of these medications, significantly increasing bleeding risk. This interaction is well-documented in traditional medicine systems. Patients on blood-thinning therapy should avoid Qian Cao entirely and consult their healthcare provider before using any herbal supplements affecting coagulation.

Question 3

What is the recommended dosage for Qian Cao root?

Accepted Answer

The standard adult dosage for Qian Cao is 6-9 grams of dried root daily, typically prepared as a decoction. For standardized extracts, 500mg taken twice daily is commonly recommended. Dosage may vary based on the specific condition, preparation method, and individual factors. Traditional Chinese Medicine practitioners often adjust doses according to patient constitution and presentation. Always follow guidance from a qualified herbalist or healthcare provider, as improper dosing may reduce efficacy or increase adverse effects.

Question 4

Is Qian Cao safe during pregnancy and breastfeeding?

Accepted Answer

Qian Cao is contraindicated during pregnancy and should be strictly avoided. The herb's blood-activating properties can stimulate uterine contractions and potentially cause miscarriage or premature labor. Traditional Chinese Medicine and Ayurveda both classify this herb as unsafe for pregnant women. There is insufficient safety data for breastfeeding, so nursing mothers should also avoid it. Women who are pregnant, planning pregnancy, or breastfeeding should consult a healthcare provider before using any herbal preparations.

Question 5

What conditions does Qian Cao treat in traditional medicine?

Accepted Answer

Qian Cao is used in both Traditional Chinese Medicine and Ayurveda to cool blood, activate circulation, and stop bleeding. It treats blood heat conditions including nosebleeds, hematemesis, and menstrual disorders. In Ayurveda, it is particularly valued for skin conditions such as eczema, psoriasis, and wounds due to its anti-inflammatory and healing properties. Evidence Level C supports these traditional applications through preliminary research and historical use, though more rigorous clinical studies are needed to confirm efficacy.

Qian Cao

Sources et citations

Fomes Fomentarius

Entada Africana

Silverweed

Résumé

Contexte

Usages traditionnels

Composés actifs

Mécanisme d'action

Preuves cliniques

Synthèse des preuves

Sources PubMed

Sources gouvernementales