Source: fresh or dried roots.
Actions: promotes menstrual flow, sedative, anti-rheumatic.
Therapeutic uses: traditional Native American remedy for menstrual pain and menopausal hot flushes. Also used to ease arthritic and rheumatic pain due to inflammation and to treat high blood pressure, tinnitus (ringing in the ears), asthma and whooping cough.
Typical preparation: decoction from dried root, powdered root in tablet form, liquid tincture.
Contraindications: not recommended during pregnancy or while breastfeeding.