Blue Cohosh
(Caulophyllum thalictroides)
Also know as Squaw root
Botanical Information
A stout perennial with blue-green leaves and bright blue berries of the eastern hardwood forests of the U.S.
Working with Blue Cohosh
Part(s) Used
Rhizome, Root
Herb Forms
Tinctures, capsules, bulk herb, powder.
Christopher Hobbs:
“Blue cohosh is considered to be an effective uterine tonic. It has long been used to help facilitate childbirth, though its use is not recommended in the early stages of pregnancy. It is also indicated in suppressed or painful menstruation and for the pains of arthritis and rheumatism.
Blue cohosh is also a specific for ovarian pain.
Blue Cohosh has a taste of ACRID, BITTER and a temperature of WARM.”
Modern Clinical Uses
Today, herbalists and naturopaths still use blue cohosh for gynecological support, though it is generally applied with caution. Some practitioners recommend it to aid in labor induction, though this use is controversial and rarely endorsed due to safety concerns. It is also used to alleviate menstrual discomfort and symptoms associated with menopause.
Chemistry and Pharmacology
The active constituents of blue cohosh include alkaloids (such as caulophylline and magnoflorine), triterpenoid saponins, and glycosides. The saponins and alkaloids are thought to contribute to its effects on smooth muscle, which could explain its influence on uterine contractions. The alkaloids may also have neurotoxic effects, which raises safety concerns about high dosages.
Dosages
Dosages vary widely depending on the form (tincture, tea, capsules), but due to safety concerns, specific dosing is generally advised by healthcare professionals. Typical herbalist doses are small, often no more than 1–2 ml of tincture taken 2–3 times daily, especially when considering uterine sensitivity.
Clinical Trials
Few clinical trials exist for blue cohosh, as its use has declined due to safety concerns and regulatory restrictions. Limited data from animal and in vitro studies suggest its effects on smooth muscle, but there is a lack of robust human data. Existing case reports highlight risks, particularly in pregnancy, and discourage unsupervised use.
Summary
Blue cohosh remains a traditional remedy for gynecological issues but is limited in clinical practice due to safety concerns. Its pharmacological effects suggest potential benefits for uterine and menstrual support, yet adverse effects, especially in pregnancy, restrict its use. Limited clinical evidence and reports of toxicity underscore the need for caution and professional guidance.
Generated by ChatGPT; edited by Christopher Hobbs.
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Cautions
Blue cohosh has several safety issues. Due to its uterine-stimulating effects, it is not recommended during pregnancy, especially early on, because of the risk of miscarriage. Its alkaloid content raises concerns about potential cardiotoxic and neurotoxic effects, particularly in infants if taken by pregnant women. Long-term use and high doses are generally discouraged, as adverse effects like gastrointestinal distress, headache, and, in rare cases, heart issues have been reported.
Conditions treated with Blue Cohosh
Condition
Treatment Support
Application
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Dosages
Tincture
1-2 ml 203 times daily
Capsules
follow label directions
Decoction
1 cup 2-3 times daily
The information given here is designed to help you make informed choices about your health. The information is drawn from numerous sources—both traditional medicine practice, from the clinical experience of many herbalists currently practicing, and supported by decades of scientific research from the author. The research most consulted includes human clinical trials that help to determine the most effective and safe herbs for various needs, the best doses, and types of preparations.
The information offered in this database is not intended as a substitute for any that may have been prescribed by your health practitioner or physician.