Educational information, not medical advice — ask your doctor or midwife.
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Jeomageun is the dried root of the ramie plant, Boehmeria nivea. It is used on its own as a single herb in Korean medicine. Ramie is better known as a fibre plant, the one woven into cool summer cloth.
In old Korean practice the root was given to slow bleeding. Healers used it for nosebleeds, blood in the urine, and spotting in pregnancy. It was also used for hot, painful urination and for sores on the skin.
Human proof is thin. We found no published human trial of ramie root on its own. Long use in a tradition is not proof that a herb works, so read the uses below as history, not as results.
Short answer: no one has shown how it works in people.
The root holds plant acids and flavonoids (plant compounds that act as antioxidants). In lab dishes and in animals, extracts have slowed bleeding, calmed swelling, and held back some germs. These are early hints, not proof.
Old Korean texts explain it in their own words. They say the root clears heat, cools the blood, and steadies a pregnancy. That is a tradition's language, not a tested mechanism.
Most often you meet it as sliced, dried root, boiled into a tea. Herb books call that a decoction.
A typical brew simmers the root in water for 20 to 30 minutes. The liquid is strained and drunk warm.
You may also see powder, capsules, or the root inside a mixed herb formula. Fresh root was once crushed and laid on skin sores. Ramie leaves are eaten as a food in Korea, but leaf and root are not the same thing.
Ramie root appears in Korean herb books of the Joseon era, including the Donguibogam of 1613. It is also listed in Chinese herb texts as zhu ma gen.
In both places its main job was to stop bleeding and to steady a shaky pregnancy. Korean country practice used it the same way into modern times. It stayed a minor but steady item in the herb chest.
See a doctor the same day if you have bleeding that will not stop, blood in your urine or stool, or any bleeding during pregnancy. Go to an emergency department for heavy bleeding, chest pain, fainting or a fast heartbeat.
Stop the herb and ring your doctor if you notice easy bruising, gums that bleed, dark stools, yellow skin or eyes, a rash, or swelling of the face or lips. Also check in if a fever, pain on passing urine, or a skin sore has not eased in a week.
Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.
Reviewed by the HealisticMD editorial team How we grade evidence →
The published evidence for jeomageun is weak or absent. That usually means no controlled trial has tested it, not that a trial found it ineffective — the two are different, and we grade only what has been published.
What it is typically used for, usual dose, cautions, and the study behind it where real trial data exists.
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