HERB PROFILE · EDUCATIONAL REFERENCE

Blue Cohosh

Botanical nameCaulophyllum thalictroides
Plant part usedRoot

Important safety information: Contraindicated in pregnancy and breastfeeding. Do not promote or use for labour induction. Overdose has been associated with hyperthermia, hypertension, rapid heart rate, hyperventilation, sweating and weakness; seek urgent medical care for concerning symptoms.

Herbal actions

  • Spasmolytic traditionally
  • Uterine tonic traditionally
  • Emmenagogue
  • Oxytocic historically

Traditional and practitioner uses

These uses are presented for historical and educational context. They are not treatment claims.

  • Historical use for menstrual and uterine complaints
  • Historical use for dysmenorrhoea and smooth-muscle spasm
  • Not appropriate for pregnancy or labour self-treatment

Main constituents

Quinolizidine alkaloids including sparteine, methylcytisine and anagyrine; saponins including caulosaponin

Preparation overview

Tea: Not recommended for household dosing. This historical 1:2 liquid-extract reference is not a recommendation for pregnancy, labour induction or self-treatment.

Liquid extract reference: 1:2 liquid extract: 1.5–3 mL/day (10–20 mL/week)

Preparation strengths are not interchangeable. Open the interactive guide for the complete evidence notes and sources available for this herb.

Herbilous provides educational information only. It does not diagnose, prescribe, or replace professional medical advice. Seek urgent care for severe or worsening symptoms.