In people with a history of breast cancer, cancer of the uterus or endometriosis, it is especially important that a doctor supervises
them until they take a compound containing black cohosh. Same as if you have a history of damage in the liver or have liver disease. In this case, in fact, is better to avoid or discontinue its use, due to the black cohosh side effects.
Consuming high doses of black cohosh root can cause headaches, sweating, dizziness and vision problems. Also can alter heart rate, affect blood pressure, cause blood clots in the legs, swelling by fluid retention, heaviness in the legs, damaging the liver, nausea and/or vomiting, constipation, fatigue, rash, stimulate the menstrual flow, cause abnormal vaginal secretions, causing bleeding, cause a miscarriage or pain and tenderness in the breasts, among others.
As it can lower blood pressure it should be administered with caution in people who are taking drugs, herbs, or supplements that lower the pressure.
It is important to not confuse black cohosh (Cimicifuga racemosa), with blue cohosh (Caulophyllum thalictroides), which contains compounds potent vasoconstrictors and other uses.
Black cohosh side effects during pregnancy and lactationThe safety of the use of black cohosh during pregnancy and lactation is not set, you can relax the muscular wall of the uterus and it is not safe to use it in these conditions. To have hormonal effects, this herb should be avoided during these periods.
Black cohosh and breast cancerEstrogen administered via HRT has been known to cause an increase in breast tumors. These interventions have been revealed to excite the development of breast cancers. Very-high-dose dietary phytoestrogens might potentially increase cancer risk, as well. But black cohosh does not have phytoestrogens and so does not have estrogenic properties that might lead to these conditions—which is partially why it is considered harmless for use in women with or at risk for breast cancer. The question of estrogenic composites from phytoestrogens in plants is a central one because plant types of estrogen have been sometimes related to potential growths in tumor risk.
Is black cohosh safe? What interactions can you have?The root of this plant several negative effects are known you when given with other drugs or if patients have specific health conditions such as damage to the liver or hypotension. Due to the fact that black cohosh may contain estrogen-like chemicals, it should be administered with caution in people who are taking medications that contain hormones or substances.
This plant can react with alcohol, antihistamines, anti-inflammatory medications and even with Ginkgo Biloba, since it may increase the risk of bleeding.
Some tinctures may contain high levels of alcohol and may cause nausea and vomiting when taking them with chemicals such as metronidazole.
Special care with its use should be to interact with agents to treat cancer, arthritis, osteoporosis, and inflammation. It is important that you talk to your doctor if you are thinking of taking it, or if you will like to prescribe something and you are taking it. He or she must know that you are taking black cohosh.
The combination of black cohosh with blue cohosh during childbirth, may cause damage to organs of the newborn, and as in all this period of health in the life of a woman, remember that it is delicate to use any substance and is better done by the hand of a health expert, in this case, your gynecologist.
Don't forget to always consult your doctor or a qualified health professional before taking black cohosh. It is important to know your health status and be aware of all the medications, supplements or herbs you take, to avoid interactions that may damage your health.
Notice large doses of black cohosh can cause poisoning symptoms, especially nausea and dizziness, and can also cause miscarriage.
Black cohosh should not be used by those who are full-fledged measles or those who are having trouble breathing. It should not be used by those with excess in the upper regions and deficiency in the lower part of the body.
Pregnancy and lactation. Black cohosh is not recommended during pregnancy due to its stimulant effect. It is not recommended during lactation (data based on empirical observations).
Although there is still debate, current information indicates that black cohosh does not increase the risk of breast cancer in women prone to it. Although not all black cohosh side effects are known, black cohosh is thought to be possibly safe when taken for a short period of time (up to 1 year).
Warning about black cohosh side effects: Black cohosh can harm your liver. Stop using this product and call your doctor at once if you have signs of liver problems.
Various research has shown that it has no toxic effects on the body, however, it is recommended not to consume black cohosh continuously for periods longer than 6 months.