Actaea racemosa, black cohosh, Actaea racemosa, Black snakeroot, Squawroot

Last updated: February 8, 2026Reviewed date: February 8, 2026Reading time: 11 min read

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বাংলা রোগী নোট এখনো যোগ করা হয়নি। পোস্ট এডিটরে “RX Bangla Patient Mode” বক্স থেকে সহজ বাংলা সারাংশ যোগ করুন।

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Article Summary

Actaea racemosa, black cohosh a species of Actaea racemosa L. also called Black snakeroot, Squawroot, Rattlesnake root, Black cohosh, Macrotys, Black snakeroot, Bugwort, Bugbane, Rattleweed, Rattleroot, Rattletop and Richweed, is a flowering plant in the buttercup family Ranunculaceae. It is an herbaceous perennial plant with oval shaped fruits. It grows in cool, well-drained and moist soils. The plant lives for more than two years in...

Key Takeaways

This article explains Black Cohosh Scientific Classification in simple medical language.
This article explains Health Benefits of Black cohosh in simple medical language.
This article explains Traditional uses in simple medical language.

Educational health guideWritten for patient understanding and clinical awareness.

Reviewed content workflowUse writer and reviewer profiles for stronger trust.

Emergency safety firstUrgent warning signs are highlighted below.

Seek urgent medical care if you notice

These warning signs are general safety guidance. Local emergency numbers and clinical judgment should always come first.

Severe symptoms, breathing difficulty, fainting, confusion, or rapidly worsening illness.
New weakness, severe pain, high fever, or symptoms after a serious injury.
Any symptom that feels urgent, unusual, or unsafe for the patient.

Emergency now

Use emergency care for severe, sudden, rapidly worsening, or life-threatening symptoms.

See a doctor

Book a professional medical evaluation if symptoms persist, worsen, recur often, affect daily activities, or occur in a high-risk patient.

Learn safely

Use this article to understand possible causes, tests, treatment options, prevention, and questions to ask your clinician.

Black Cohosh Scientific Classification

Scientific Name: Actaea racemosa

Rank	Scientific Name & (Common Name)
Kingdom	Plantae (Plants)
Subkingdom	Tracheobionta (Vascular plants)
Superdivision	Spermatophyta (Seed plants)
Division	Magnoliophyta (Flowering plants)
Class	Magnoliopsida (Dicotyledons)
Subclass	Magnoliidae
Order	Ranunculales
Family	Ranunculaceae (Buttercup family)
Genus	Actaea L. (Baneberry)
Species	Actaea racemosa L. (Black baneberry)
Variety	Actaea racemosa L. var. racemosa (Black bugbane)
Synonyms	Actaea gyrostachya Wender. Actaea monogyna Walter Actaea orthostachya Wender. Actaea racemosa var. racemosa Botrophis actaeoides Rafin. Botrophis actaeoides Rafin. ex Fisch. & Mey. Botrophis pumila Rafin. Botrophis serpentaria Rafin. Cimicifuga americana Muhl. Cimicifuga racemosa (L.) Nutt. Cimicifuga serpentaria Pursh Cimicifuga serpentaria var. orthostachya Wender. Macrotrys actaeoides Rafin. Macrotrys racemosa Sweet Megotrys serpentaria Rafin. Thalictrodes racemosum (L.) Kuntze

History

Black cohosh is native to North America. In 19^th century, it was used as a home remedy in America and also used in Native American medicine. Black cohosh is used for rheumatism but it is recently used in a folk and traditional remedy to treat night sweats, hot flashes and vaginal dryness which are the symptoms that is experienced during menopause. Black cohosh is used to treat premenstrual syndrome and menstrual irregularities and promote labor.

Native American Indians are the one who use Black cohosh firstly for medicinal purposes and got introduced to European colonists. In the mid-1950s in Europe, Black cohosh became a well-known treatment for dealing with women’s health problems. The roots and underground stems of Black cohosh are used dried or fresh to make teas, capsules, solid extracts and liquid extracts.

This herb was used in Europe for about more than 40 years and is in Germany, it was authorized for painful menstruation, premenstrual discomfort and menopausal symptoms. In 1996, about 10 million retail units of a standardized isopropanolic and ethanolic extract were sold in Australia, Germany and the U.S. monthly. The herb was popular in U.S. as a dietary supplement.

Plant

Black cohosh is a herbaceous plant which grows upto 3-8 feet tall. The roots are thick, large, branching and black. Stems are smooth, erect, unbranched of about 4-8 feet. Leaves are alternately arranged, compound, tripinnate, smooth, glossy dark green which is 15-60 cm long. Stamens are 1/2″ long. The flowers turn to the oval shaped and follicle of size 5-10 mm. The fruits are angular, glabrous, brown and triangular seeds.

Health Benefits of Black cohosh

Black cohosh is mostly used by the medical practitioners. It helps to eradicate spasms, ease menopausal symptoms, lower infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।" data-rx-term="inflammation" data-rx-definition="Inflammation is the body’s response to injury, infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।">inflammation, prevent mood swings and enhance sleep. It is considered as the natural cure all. It is considered to possess sedative, analgesic and anti-inflammatory properties. It is used to treat hot flashes, depression, insomnia, night sweats, anxiety, vaginal dryness and depression. The roots either fresh or dried are used for medicinal purposes.

Anti-spasmodic

Black cohosh is anti-spasmodic which assists the functions of muscles and nerves, prevent cramps and aching pains. Black cohosh possesses infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।" data-rx-term="inflammation" data-rx-definition="Inflammation is the body’s response to injury, infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।">inflammation, pain, or swelling. সহজ বাংলা: প্রদাহ/ফোলা/ব্যথা কমায়।" data-rx-term="anti-inflammatory" data-rx-definition="Anti-inflammatory means reducing inflammation, pain, or swelling. সহজ বাংলা: প্রদাহ/ফোলা/ব্যথা কমায়।">anti-inflammatory properties. It helps to relieve the pains and aches associated with muscle tendon. সহজ বাংলা: মাংসপেশি/টেনডনে টান।" data-rx-term="strain" data-rx-definition="A strain is injury to a muscle or tendon. সহজ বাংলা: মাংসপেশি/টেনডনে টান।">strain, injury, chronic nervous tension and others. (1)

infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।" data-rx-term="inflammation" data-rx-definition="Inflammation is the body’s response to injury, infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।">inflammation, pain, or swelling. সহজ বাংলা: প্রদাহ/ফোলা/ব্যথা কমায়।" data-rx-term="anti-inflammatory" data-rx-definition="Anti-inflammatory means reducing inflammation, pain, or swelling. সহজ বাংলা: প্রদাহ/ফোলা/ব্যথা কমায়।">Anti-inflammatory properties

Black cohosh is an infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।" data-rx-term="inflammation" data-rx-definition="Inflammation is the body’s response to injury, infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।">inflammation, pain, or swelling. সহজ বাংলা: প্রদাহ/ফোলা/ব্যথা কমায়।" data-rx-term="anti-inflammatory" data-rx-definition="Anti-inflammatory means reducing inflammation, pain, or swelling. সহজ বাংলা: প্রদাহ/ফোলা/ব্যথা কমায়।">anti-inflammatory property. The anti-inflammatory properties are helpful for congestion, sore throats and maintain high blood pressure. Black cohosh acts as a vasodilator which helps to reduce stress on cardiovascular system and reduces the blood clots which cause the heart attacks or strokes. (2)

Menopausal symptoms

Black cohosh is used to treat menopausal symptoms for those who are going through menopause. One should supplement the diet by adding Black cohosh which helps to replace the hormone therapy. The studies show that Black cohosh helps to reduce night sweats and hot flashes to the menopausal women, lower stress and tension. (3)

Supports digestion

The research shows that Black cohosh helps to raise the uptake of nutrients and eradicate the waste from the body that lowers the chances of constipation such as gastric ulcers. Black cohosh helps to lower cramping, flatulence, morning sickness, bloating and nausea. (4)

Manage pain

Black cohosh helps to reduce pain in the women who experience painful menstrual cycles and going through painful labor contractions. It is often conducted during low development of labor and weak contractions. It is good to promote contractions and fasten the birthing process as it lowers the chances of delivery and labor. (5)

Sound sleep

Black cohosh is considered as the natural sedative. Black cohosh treats the people suffering from stress, chronic anxiety, insomnia and non-restful sleep. It provides long, restful and undisturbed sleep. Black cohosh should be taken with other sleep aids. (6)

Treat mood swings

Black cohosh has a great impact on balancing the hormones in the body. Black cohosh has hormonal potency which helps to regulate the stress and mood. Black cohosh helps the people with depression, mood swings, assists to release hormones and maintains the stable mental state. (7)

Menstrual problems

Black cohosh has the ability to reduce the symptoms of menopause and manage the unpredictable periods. It promotes the menstrual bleeding and soothes the uterine tension that lowers the cramps during the periods. Black cohosh helps to tone the uterine muscles and prevents the premature delivery or miscarriage. (8)

Traditional uses

Black cohosh is used to treat premenstrual syndrome (PMS), menopause, acne, painful menstruation, fracture risk. সহজ বাংলা: হাড় দুর্বল হয়ে ভাঙার ঝুঁকি বেশি।" data-rx-term="osteoporosis" data-rx-definition="Osteoporosis means weak, fragile bones with higher fracture risk. সহজ বাংলা: হাড় দুর্বল হয়ে ভাঙার ঝুঁকি বেশি।">osteoporosis and induce labor in pregnant women.
Black cohosh is also used for anxiety, fever, rheumatism, cough and sore throat.
The application of Black cohosh on the skin helps to enhance the appearance of skin.
Black cohosh is used to remove wart and moles.
Black cohosh also acts as an insect repellent.
It provides relief from menopausal symptoms, menstrual cramps such as irritability, hot flashes, sleep disturbances and mood swings.
In North American Indian Medicine, Black cohosh was used for malaise, kidney disorders, gynecological disorders, rheumatism, malaria and sore throat.
It is also used for colds, constipation, hives, cough and backache.
In 19th century in America, Black cohosh is used as a diuretic, treat rheumatism and fever.
Black Cohosh is traditionally used for cognitive and inflammatory problems.
It has traditionally used by Native American tribes to enhance the breast milk production.
As far back as 1832, the tinctures were used to treat pain and inflammation related with endometriosis, neuralgia, rheumatism and dysmenorrhea.
The herb is used by North American colonists to treat bronchitis, nervous disorder, spasms, fever, swelling, itch, hysteria, back pain, snakebite, yellow fever, nervous disorders and uterine disorders.
In traditional Chinese medicine, this herb is used to relieve pain, reduce swelling and fevers.
Since 17th century, the plant is used in Europe to treat pain, joint pain, pain in pregnancy and labor.
Black cohosh helps to cure influenza, acute rheumatism, smallpox, headache, chorea, cough and nervous system problems.
It is believed to possess astringent, diaphoretic, diuretic, antitussive, antirheumatic, aphrodisiac, antispasmodic, nervine, emmenagogue, stomachic, sedative and emmenagogue properties.
In Chinese medicine, the rhizomes are used to cure inflammation, headache, fever, sore throat, pain and chills.
Traditionally, black cohosh is used to treat dyspepsia, whooping cough, sciatica and tinnitus.
Flowers possess a strong odor which acts as effective insect repellents.
It is used to treat diarrhea in children if used in small doses.
Black cohosh is used by North American Indians to cure kidney, gynecological disorders, sore throat, malaise, colds and cough.

Precautions

One should consult the health care professional before using the supplements of Black cohosh.
Black cohosh is often confused with Blue cohosh.
The excessive dose of Black cohosh leads to gastrointestinal upset, rashes, headaches, dizziness, nausea and vomiting.
The intake of Black cohosh and ginseng leads to tongue biting, interference with speech and difficulty in eating.
Black cohosh can cause side effects such as stomach upset, headache, cramping, a feeling of heaviness, rash, vaginal spotting, bleeding and weight gain.
Black cohosh may be related with liver damage. The symptoms for liver damage are jaundice, dark urine and unusual fatigue.
The pregnant and breast feeding women should not use Black cohosh because it could raise the chances of miscarriage.
Black cohosh could worsen the condition of breast cancer.
One should not use Black cohosh if one has the condition which is affected by the female hormones. Such as ovarian cancer, endometriosis, uterine cancer and fibroids.
People with liver disease should avoid Black cohosh.
The one having kidney transplant and Protein S deficiency should avoid Black cohosh.
Some people might experience headache, stomach discomfort or rash with the use of Black cohosh.
It is still unclear that Black cohosh promotes the growth of breast cancer cells.
Those who are allergic to Black cohosh should not use Black cohosh.
Black cohosh may lower the blood pressure.

Other Facts

Black cohosh is called women’s remedy as it is used to treat menstrual cramps, mood swings and hot flashes, pain in uterus, breasts and ovaries.
About more than 500 pounds Black cohosh (dried rhizome) is consumed in a year.
The market of Black cohosh is industry worth of about 2.5 million dollars.
Black cohosh is also found in the form of capsules, tinctures, powders and tablets.
Black cohosh is also called bugbane as it is able to repel insects.

References

Safety note: This is not a prescription or diagnosis. For severe symptoms, pregnancy danger signs, children with serious illness, chest pain, breathing difficulty, stroke-like weakness, or major injury, seek urgent care.

Which doctor may help?

Start with a registered doctor or the nearest qualified health center.

What to tell the doctor

Write when the problem started and how it changed.
Bring old prescriptions, investigation reports, and current medicines.
Write allergies, pregnancy status, diabetes, kidney/liver disease, and major past illnesses.
Bring one family member if the patient is weak, elderly, confused, or a child.

Questions to ask

What is the most likely cause of my symptoms?
Which danger signs mean I should go to hospital quickly?
Which tests are necessary now, and which can wait?
How should I take medicines safely and what side effects should I watch for?
When should I come for follow-up?

Tests to discuss

Vital signs: temperature, pulse, blood pressure, oxygen saturation
Basic physical examination by a clinician
CBC, urine test, blood sugar, or imaging only when clinically needed

Avoid these mistakes

Do not use antibiotics, steroid tablets/injections, or strong painkillers without proper medical advice.
Do not hide pregnancy, kidney disease, ulcer, allergy, or blood thinner use.
Do not delay emergency care when danger signs are present.

Medicine safety and first-aid guide

This section is for patient education only. It does not replace a doctor, pharmacist, or emergency care.

Safe first steps

Avoid heavy lifting, sudden bending, and prolonged bed rest.
Use comfortable posture and gentle movement as tolerated.
Discuss physiotherapy, X-ray, or MRI only when clinically needed.

OTC medicine safety

For mild back pain, pain-relief medicine may be discussed with a doctor or pharmacist.
Avoid repeated painkiller use if you have kidney disease, stomach ulcer, uncontrolled blood pressure, or are taking blood thinners.

Avoid these mistakes

Do not start antibiotics without a proper medical decision.
Do not use steroid tablets or injections casually for quick relief.
Do not delay emergency care because of home remedies.

Get urgent help if

Back pain with leg weakness, numbness around private area, loss of urine/stool control, fever, cancer history, or major injury needs urgent care.

Medicine names, dose, and timing must be decided by a qualified clinician or pharmacist after checking age, pregnancy, allergy, other diseases, and current medicines.

For rural patients and family caregivers

Patient health record and symptom diary

Write your symptoms, medicines already taken, test results, and questions before visiting a doctor. This note stays on your device unless you print or copy it.

Doctor to discuss: Orthopedic / spine specialist, physical medicine doctor, or qualified clinician

Tests to discuss with doctor

Neurological examination for leg power, sensation, reflexes, and straight leg raise
X-ray only if injury, deformity, long-lasting pain, or doctor suspects bone problem
MRI discussion if severe nerve symptoms, weakness, bladder/bowel problem, or persistent symptoms

Questions to ask

What is the most likely cause of my symptoms?
Which warning signs mean I should go to emergency care?
Which tests are really needed now?
Which medicines are safe for my age, pregnancy status, allergy, kidney/liver/stomach condition, and current medicines?
Is physiotherapy, posture correction, or activity modification needed?

Emergency warning signs such as chest pain, severe breathing difficulty, sudden weakness, confusion, severe dehydration, major injury, or loss of bladder/bowel control need urgent medical care. Do not wait for online information.

Go to emergency care if you notice:

Severe or rapidly worsening symptoms
Breathing difficulty, chest pain, fainting, confusion, severe weakness, major injury, or severe dehydration

Doctor / service to discuss: Qualified healthcare provider; specialist depends on symptoms and examination.

Step 1
Check danger signs first
If danger signs are present, seek emergency care and do not wait for online information.
Step 2
Record the symptom story
Write when symptoms started, severity, medicines already taken, allergies, pregnancy status, and test results.
Step 3
Visit a qualified clinician
A doctor, nurse, or qualified healthcare provider can examine you and decide which tests or treatment are needed.
Step 4
Do only useful tests
Do tests after clinical assessment. Avoid unnecessary tests, random antibiotics, or repeated medicines without diagnosis.
Step 5
Follow up and return early if worse
If symptoms worsen, new warning signs appear, or treatment is not helping, return for review quickly.

Rural patient practical tips

Take a written symptom diary and all previous prescriptions/test reports.
Do not hide medicines already taken, even herbal or over-the-counter medicines.
Ask which warning signs mean urgent referral to hospital.

This roadmap is for education. A real diagnosis and treatment plan requires history, examination, and clinical judgment.

RX Patient Help

Ask a health question safely

Write your symptom story. A health professional or site editor can review it before any answer is prepared. This box is not for emergency care.

Emergency first: Severe chest pain, breathing trouble, unconsciousness, stroke signs, severe injury, heavy bleeding, or rapidly worsening symptoms need urgent local medical care now.

Frequently Asked Questions

Is this article a replacement for a doctor?

No. It is educational content only. Patients should consult a qualified clinician for diagnosis and treatment.

When should I seek urgent care?

Seek urgent care for severe symptoms, rapidly worsening condition, breathing difficulty, severe pain, neurological changes, or any emergency warning sign.