Educational information, not medical advice — ask your doctor or midwife.
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Chui Pen Cao is a low, creeping plant with thick, fleshy leaves. Its Latin name is Sedum sarmentosum. It is also called stringy stonecrop.
In Chinese medicine it is a single herb. It is used on its own or in mixed formulas. The main uses are liver complaints and hot, angry-looking skin problems.
Today it is best known as the main part of Chinese hospital products. These aim to lower raised liver enzymes. Liver enzymes are blood markers that go up when liver cells are hurt or upset.
In folk practice it is also put on the skin. People use it for boils, burns and insect bites.
Honest verdict: the herb has a real place in Chinese practice. But good human trial evidence in English is very thin.
Long use tells you what people have done. It is not proof that the herb works. That point holds for everything on this page.
Nobody has shown clearly how Chui Pen Cao works in people.
In Chinese medicine it is called cold and sweet-bland. It is said to clear heat, drain damp and cool toxic swellings. That is a traditional frame, not a body-based one.
Lab and animal studies hint that its extracts may calm swelling. They may also shield liver cells from harm by chemicals.
These are test-tube and rat findings. They do not tell you what happens in a person with hepatitis (liver swelling and damage).
Chui Pen Cao is sold in several forms.
Dried stems and leaves, for a decoction. That is a strong simmered tea.
Fresh plant, crushed for juice. It can also be pounded into a poultice, a soft mash laid on the skin.
Chinese branded products, such as Chuipencao granules, tablets and capsules. These are set-strength extracts made for liver use.
Mixed formulas, where it sits beside other cooling herbs.
Chui Pen Cao began as a folk herb in south and east China. Later it was taken up by mainstream Chinese practice.
It is not in the oldest classics. It turns up in later herb books and in local folk records.
It is listed in the modern Chinese Pharmacopoeia. From the 1970s, Chinese hospitals used its extracts for viral hepatitis with raised liver enzymes.
So it is a long-used staple of one tradition. It is not a herb shared across many.
See a doctor straight away if your skin or the whites of your eyes turn yellow, your urine goes dark, your stools turn pale, or you have pain under your right ribs.
Get urgent help for vomiting blood, black tarry stools, swelling of the belly or legs, or new confusion or unusual sleepiness.
Stop the herb and get advice if you develop a rash, swelling of the lips or face, or trouble breathing.
Book a routine appointment if diarrhoea lasts more than a few days, or if a boil or swelling grows, throbs or comes with fever.
Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.
What it is typically used for, usual dose, cautions, and the study behind it where real trial data exists.
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