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Common Name
Blue Cohosh
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Botanical Name
Caulophyllum thalictroides
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Part Used
Root
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Alcohol
70%
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Dose
10 to 20mL weekly
Blue cohosh is an important remedy for female complaints. Historically it was used to prepare the uterus for labour (partus preparator), for period pain and for various ‘inflammations’ of the uterus.
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Traditional Use
Blue cohosh was a favourite remedy amongst Native American women in childbirth for false pains and after pains. They drank the tea regularly a few weeks, before the birth was due, as a partus preparator to ease and speed labour.
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Actions
Partus preparator, uterine and ovarian tonic, antirheumatic, antispasmodic (uterus), emmenagogue, laxative
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Indications
• Dysmenorrhoea, amenorrhoea, endometriosis
• Rheumatic pains -
Energetics
Hot
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Use in Pregnancy
Never use in early pregnancy. The most conservative route is to avoid its use entirely as a partus preparator, for labour induction and possibly at all during pregnancy, until safety information is established. There are recommendations in the literature that blue cohosh should be avoided in pregnancy, due to safety concerns, even though the reports are inconclusive. In a 1998 study it was linked to two cases of neonatal heart failure when the herb was consumed as a parturient to facilitate labour. In one case the mother took three times the amount of blue cohosh (tablet form) however the exact amount taken of the herb was not stated making it difficult to assess the potentially toxic affects claimed. A 2018 study said there were three case reports available that demonstrate possible adverse neonatal effects, such as fetal hypoxia, myocardial infarction, and congestive cardiac failure. Whether these effects resulted from blue cohosh itself is not known, given that herbs are often used in combination with other plants, and adulteration and contamination problems can occur.
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Contraindications & Cautions
Contraindicated in women trying to conceive and early pregnancy.
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Drug Interactions
None known
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Dietary Information
Vegan friendly. Gluten and dairy free
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Substitutes
Black Cohosh, Raspberry Leaves, Dong Quai