The side effects of black cohosh, also known as Actaea racemosa and Cimicifuga racemosa, are a very real concern. It is used to mimic the effects of estrogen in women, and thus reduce the effects of unwanted PMS, dysmenorrhea, and menopause symptoms such as cramping, insomnia, anxiety, night sweats and hot flashes. Not only have some women found it to be effective and useful, but it is now a multi-million dollar herb and gaining a lot of popularity and momentum as an herbal treatment. While the natural herb supplement is generally considered safe, there are special populations who need to take extra precaution. Take the time to learn if you are one of them, and find out how to safely and effectively use black cohosh supplements.
Are there any side effects to taking black cohosh?
The most common black cohosh side effects in clinical studies included gastrointestinal discomfort; and in larger doses (such as 150 milligrams per day or more) headaches, dizziness or vertigo, uterine contractions, bradycardia, vomiting and nausea were also reported. For reference purposes, the standard recommended black cohosh dosage ranges from 40 to 80 milligrams per day.
For those with a history or family history of breast cancer Cimicifuga racemosa supplement use is debatable. Studies have been unable to conclusively discern the effect of Cimicifuga racemosa on the estrogen receptor. However, in another study it was shown that Actaea racemosa was able to improve the effect of a common breast cancer drug called Nolvadex (also called by its generic name tamoxifen).
In general, Cimicifuga racemosa treatment programs are not advised during pregnancy because they may be associated with miscarriage. Even though there is not very conclusive evidence, the risk of miscarriage is obviously a very serious one. Therefore, talking with your physician is certainly the best option, and should always be used before beginning any treatment or supplementation.
Likewise, if you are breastfeeding then Actaea racemosa is generally not advised. This, however, is typical advice for all women who are breastfeeding as an attempt to transport as little foreign chemicals to breastfeeding infants as possible.
Liver toxicity is another especially pertinent black cohosh side effect to be aware of. There have been a few cases of liver toxicity reported, but the direct cause and effect relationship has not been established. To be safe, if you have liver damage or consume large quantities of alcohol you should talk to your health care provider before you start taking Actaea racemosa.
Finally, when it comes to young children the side effects and safety of Cimicifuga racemosa is unestablished at this point. With that said, it's probably an unnecessary and inadvisable supplement for youth in general.
Some other popular herbs with similar side effects include garlic, ginkgo biloba, ginseng, milk thistle, ephedra, green tea, St. John's Wort, and peppermint.
Final word on black cohosh
In conclusion, black cohosh root and rhizome products and extracts are becoming more widely used today, especially for the relief and natural treatment of menopausal symptoms. Even though the herb has been used for over 40 years in Europe, it's really gained popularity in North America over the last decade. It's generally a well-tolerated supplement, but of course there are serious side effects you must be aware of. Before beginning any regimen you should consult with your physician or doctor to make sure it is the best course of action for you.
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