Educational information, not medical advice — ask your doctor or midwife.
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Da Xue Teng is the dried woody stem of a climbing vine (Sargentodoxa cuneata). In Chinese medicine it is also called Hong Teng, or "red vine". It is a single herb, not a mixed formula, though it is nearly always used inside one.
It is used for hot, painful swellings deep in the belly. The classic use is intestinal abscess (a pocket of pus in the gut), which today we would call appendicitis. It is also used for period pain, for pain after a knock or fall, and for sore joints.
The evidence is thin. Da Xue Teng has a long record in Chinese medicine, but long use is not proof that a herb works. We could not find human trials of this herb on its own, so almost all the research is lab and animal work.
It is not a food and it is not a daily tonic. It moves blood, so it can add to the effect of blood thinners and raise bleeding risk. People who are pregnant, people who bleed easily, and people on blood-thinning drugs must not take it.
No one has shown how Da Xue Teng works in people. What follows is theory and lab work, not proof.
In Chinese medicine, it is said to clear heat and toxin, move blood that has become stuck, and ease pain. In plain terms, healers used it for hot, swollen, painful spots and for pain they linked to poor blood flow.
In the lab, extracts of the stem slow the growth of some bacteria and calm signs of swelling in cells and in animals. Some parts of the plant also make blood cells slower to clump. That last point is why it may add to the effect of blood-thinning drugs.
Lab and animal results often fail to repeat in people. Treat these findings as clues, not as facts about what the herb does in your body.
You will mostly meet Da Xue Teng in these forms:
Dried sliced stem, simmered into a decoction (a strong tea made by boiling). This is the usual way it is taken.
Granules or powder made from a water extract, stirred into hot water.
Part of a ready-made pill or liquid formula with other herbs.
Tinctures (alcohol extracts), which are less common in Chinese practice.
It is rarely sold alone in Western shops. Most people get it from a trained Chinese medicine practitioner as part of a blend.
Da Xue Teng appears in Chinese medical texts from the Qing dynasty onward, and folk use is older. It became known as a main herb for intestinal abscess, paired with herbs such as Bai Jiang Cao. It is still listed in the Chinese Pharmacopoeia and is a standard stock item in Chinese herbal pharmacies.
Some reactions to Da Xue Teng need urgent care. Call your local emergency number or go to an emergency department straight away — do not wait to see whether it passes.
Go to an emergency department now if you have belly pain that is getting worse, especially on the lower right side, with fever, vomiting or a hard, tender stomach. That can be appendicitis, and it needs surgery, not herbs.
Get urgent medical help if you bleed and cannot stop it, cough or vomit blood, pass black or bloody stools, or bruise for no clear reason.
See your doctor soon if you get a rash, yellow skin or eyes, or diarrhoea that lasts more than a couple of days. Also see your doctor before starting this herb if you take any prescription medicine at all.
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 Da Xue Teng 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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