Black Cohosh, a North American forest plant traditionally used to treat snake bites, is also known as Black Snakeroot. It is a highly effective herb in treating menopausal hot flashes. Black Cohosh stimulates estrogen-like activity in the body, and should be taken in fairly high doses twice a day. Women undergoing estrogen replacement therapy should consult their doctors prior to taking Black Cohosh.

Historical Uses of Black Cohosh

North American Indians used this medicinal plant for gynecological disorders, kidney disorders, malaria, malaise, rheumatism, and sore throat. Additionally, it was used for backache, colds, constipation cough, hives,and to induce lactation. Black cohosh served as a home remedy in the 19th century for fever and rheumatism, as a diuretic, and to induce menstruation. Its popularity was strongTHES among a group of alternative practitioners who referred to black cohosh as "macrotys" and prescribed it for lung conditions, neurological conditions, rheumatism, and conditions pertaining to women's reproductive organs (such as infertility, menstrual problems, inflammation of the uterus or ovaries, potential miscarriage, and relief of labor pains).

Dosage and Administration

Black cohosh may be taken in several forms, including dried root or rhizome (300-2,000 mg per day), or as a dry, solid powdered extract (250 mg three times per day). Standardized extracts of the herb are available. The recommended daily amount is 20-40 mg taken twice. The best researched extract provides 1 mg of deoxyactein per 20 mg of extract. Tinctures may be taken at 2-4 ml three times per day. It may be taken for up to six months, and then should be discontinued.

Black Cohosh Side Effects

Breast-feeding or pregant women should not take black cohosh. Large amounts (over several grams daily) of black cohosh can cause abdominal pain, dizziness, headaches, and nausea. Black cohosh should not serve as an alternate for hormone replacement therapy during menopause.

Who should not take black cohosh?

The effects of black cohosh on pregnant women has not been studied intensely. Therefore, it would be unwise for pregnant women to take black cohosh unless under the supervision of their medical practitioner.

Additionally, women with breast cancer may want to abstain from black cohosh until its impact on breast tissue is understood.

Interactions

Although no reported negative interactions with other drugs exist, black cohosh has not been studied thoroughly.