Question 1

How does Collinsonia canadensis work for hemorrhoids?

Accepted Answer

Collinsonia canadensis acts as a venous tonic, strengthening and toning blood vessel walls. Its active compounds, including collinsonin and tannins, provide astringent and anti-inflammatory effects that may reduce swelling and irritation in hemorrhoidal tissue. The herb also supports healthy circulation in the pelvic region. Traditional use by Eastern Woodland peoples and Eclectic physicians documented these venotonic properties, though clinical trials remain limited (Evidence Level C).

Question 2

Does Collinsonia canadensis interact with any medications?

Accepted Answer

Collinsonia canadensis has limited documented drug interaction studies. Due to its effects on venous circulation and tannin content, it may theoretically interact with anticoagulant or antiplatelet medications such as warfarin, aspirin, or clopidogrel. The herb should be used cautiously with blood pressure medications. Always consult a qualified healthcare provider before combining Collinsonia with prescription medications, especially those affecting circulation or liver function.

Question 3

What is the recommended dosage for Collinsonia canadensis?

Accepted Answer

The standard adult dosage for Collinsonia canadensis is 2-4 grams of dried root daily, or 2-4 milliliters of tincture (typically 1:5 strength) taken two to three times daily. For acute symptoms, practitioners often recommend dividing doses throughout the day with meals to reduce gastrointestinal upset. Dosage should be adjusted based on individual response and under guidance from a qualified herbalist or healthcare provider.

Question 4

Is Collinsonia canadensis safe during pregnancy and breastfeeding?

Accepted Answer

Collinsonia canadensis is contraindicated during pregnancy and should be avoided. The herb's effects on uterine circulation and venous tone may potentially stimulate uterine contractions or affect blood flow to the placenta. There is insufficient safety data for use during breastfeeding, so nursing mothers should also avoid this herb. Women who are pregnant, planning pregnancy, or breastfeeding should consult their healthcare provider for safer alternatives.

Question 5

What is Collinsonia canadensis used for?

Accepted Answer

Collinsonia canadensis, also known as stone root or horse balm, is primarily used for treating hemorrhoids, varicose veins, and supporting venous circulation. Native American and Eclectic medicine traditions also employed it as a digestive and liver tonic. The herb's astringent and anti-inflammatory properties make it useful for conditions involving weakened or inflamed venous tissue (Evidence Level C - traditional use with limited clinical data).

Question 6

What are the side effects of Collinsonia canadensis?

Accepted Answer

Collinsonia canadensis is generally well-tolerated at recommended doses. The most commonly reported side effect is mild gastrointestinal upset, including nausea or stomach discomfort, particularly when taken on an empty stomach. Allergic reactions are rare but possible in individuals sensitive to plants in the Lamiaceae (mint) family. Those with severe liver disease should avoid this herb. Discontinue use if persistent digestive symptoms occur.

Collinsonia Canadensis Herb

Sources & Citations

Summary

Background

Active compounds

Evidence summary

PubMed sources

Government sources