Educational information, not medical advice — ask your doctor or midwife.
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Tong Qiao Huo Xue Tang is a classic Chinese herbal formula. The name means Unblock the Orifices and Invigorate the Blood Decoction. In Chinese medicine it is used for long-term problems of the head and face, such as stubborn headache, ringing in the ears, hearing loss, hair loss and dark patches on the skin.
It is counted as a single drug, even though it is a mix of several herbs cooked together. The mix is built around herbs said to move "stuck blood", plus one strong aromatic herb said to open the "orifices" — the ears, eyes, nose and mouth.
Here is the honest verdict. The formula has a long record of use in one tradition, but strong human trials are missing. A long history of use is not proof that something works, and that point applies to every section below.
In Chinese medicine terms, the formula is said to break up blood that has gone stagnant in the head, then open the sense organs so they work again. That is a traditional idea, not a measured body process.
In modern terms, several of the herbs have been shown in lab and animal work to slow blood clotting and widen small blood vessels. Chuan xiong and hong hua are the ones most often studied this way. Whether any of that happens in a person taking the whole formula has not been shown.
Treat the mechanism as a plausible story rather than a proven one. The same blood-thinning action that is hoped for is also the main reason the formula can be risky.
The traditional form is a decoction — the raw herbs are simmered in water, often with rice wine, and the liquid is drunk warm.
You may also see it as granules that dissolve in hot water, as pills, or as a bottled liquid. Granules are the most common form sold today.
Strength varies a lot between makers. Chinese herbal products have also been found to contain undeclared drugs or heavy metals, so buy only from a supplier that tests each batch.
The formula comes from Yi Lin Gai Cuo (Correcting Errors in the Forest of Medicine), written by the doctor Wang Qingren and published in 1830.
Wang built a group of blood-moving formulas, each aimed at a different part of the body. This one was his formula for the head and face.
It has stayed in steady use in Chinese herbal practice since then, and appears in modern Chinese formula textbooks.
Some reactions to Tong Qiao Huo Xue Tang need urgent care. Call your local emergency number or go to an emergency department straight away — do not wait to see whether it passes.
Call emergency services or go to hospital straight away if you have black or tarry stools, vomit blood or dark grains like coffee grounds, pass blood in your urine, get a sudden severe headache, or have bleeding you cannot stop.
See a doctor within a day or two if you bruise easily for no reason, your gums or nose bleed often, your periods become much heavier, or you get a rash, swelling or trouble breathing after a dose.
See a doctor before you start, not after, if your hearing drops suddenly, your ringing is only in one ear, or your headache is new, worsening or comes with weakness, confusion or a fever. These need a proper diagnosis first.
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 Tong Qiao Huo Xue Tang 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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