What is Fu Yuan Huo Xue Tang?

Fu Yuan Huo Xue Tang is a traditional Chinese herbal formula. Its name is often given in English as Revive Health by Invigorating the Blood Decoction. It is one fixed, named formula, not a herb you buy on its own.

It is used after a fall, a blow or a crash. The old texts give it for pain in the chest and side that will not settle after an injury. Chinese medicine doctors still use it for bruising, sprains and sore, stiff areas.

Long use in a tradition is not proof that a remedy works. The human trial evidence for this formula is thin and weak. Please keep that in mind as you read the rest of this page.

How does Fu Yuan Huo Xue Tang work?

Short answer: no one has shown how it works in the body.

In Chinese medicine, a blow is thought to leave blood "stuck" in one place. The formula is said to move that stuck blood, clear it, and ease pain and swelling. That is a traditional idea, not a tested one.

Lab and animal work gives a few hints. Safflower and peach kernel may slow blood clotting. Rhubarb root works on the bowel and can cause loose stools.

None of that has been shown to speed healing in people. Treat the mechanism as unproven.

What forms does Fu Yuan Huo Xue Tang come in?

Most often it is taken as a decoction (a strong tea made by boiling the raw herbs in water).

It also comes as granules that you stir into hot water, and as pills or capsules made from a dried extract.

Strength varies a lot between makers, so one brand can be much stronger than another. Buy from a supplier that tests each batch for heavy metals such as lead, and for hidden drugs.

Where it comes from:

The formula first appears in Yi Xue Fa Ming (Clarifying the Study of Medicine), written by Li Dong-yuan around 1231, in the Jin dynasty.

It was written for pain in the chest and side after a fall or a blow. It has stayed in use in Chinese trauma and bone-setting practice ever since, which gives it a long record in one tradition.

What does Fu Yuan Huo Xue Tang help with?

• Bruising after a knock or fall: This is the main traditional use. Chinese medicine doctors give it in the first days after a blow to help bruising fade. We could not find good human trials that test this against a dummy treatment.
• Chest and rib pain after an injury: This is the exact use named in the 13th-century source text. Tradition here is strong. Trial evidence is not: no well-reported study in people supports it.
• Sprains and strains: Widely used in Chinese sports and bone-setting clinics for a twisted ankle or wrist. Evidence is based on practice and case reports, not on good trials. Rest, ice and normal care should come first.
• Swelling and stiffness after soft-tissue injury: Traditional use is clear. Some small Chinese-language studies report faster easing of swelling, but they are poorly reported and hard to check. Treat this as unproven.
• Pain that lingers weeks after an accident: In Chinese medicine, long-lasting pain after trauma is read as "stuck blood", which is what this formula targets. There is no reliable human trial evidence for it. Lasting pain needs a doctor's assessment first.
• Recovery after a broken bone, as an add-on: Sometimes given alongside standard care once the bone has been set. It is not a substitute for a cast, surgery or follow-up X-rays. No trial we can identify shows it speeds bone healing.

Which foods are rich in Fu Yuan Huo Xue Tang?

This is a prepared herbal formula, not something found in food.

What are the side effects of Fu Yuan Huo Xue Tang?

• Loose stools or diarrhoea, which is common because of the rhubarb root
• Stomach cramps or griping pain
• Nausea
• Bruising more easily, or gums that bleed when you brush
• Nosebleeds or heavier periods
• Darker or reddish urine and stools from the rhubarb pigment
• Rash, itch or swelling from an allergy to one of the herbs
• With long use: puffy ankles, rising blood pressure, muscle weakness or low potassium from the licorice

Good to know:

Loose stools are the most common effect and usually settle if the dose is cut or stopped.

The effects that matter most are bleeding and the licorice effects. Stop the formula and get medical advice if you bruise or bleed easily, or if your ankles swell and you feel weak.

Quality is a real risk too. Imported herbal blends have been found with lead, mercury or hidden painkillers, so buy only batch-tested products.

How much Fu Yuan Huo Xue Tang should you take?

• Recommended daily: No dose has been set by trials, so what follows is normal practice, not proven guidance. A Chinese medicine doctor usually prescribes one packet of raw herbs per day. You boil it and split the liquid into two drinks. Granules, pills and capsules follow the maker's label, because brand strengths differ a lot. Never raise the dose yourself; the rhubarb root in it can cause heavy diarrhoea.
• Best time of day: Split the day's amount into two doses, one in the morning and one in the evening. If it loosens your bowels too much, take both doses earlier in the day.
• With or without food: Take it after food or with a small snack. Rhubarb root and peach kernel can cause stomach cramps on an empty stomach.
• Time to effect: Chinese medicine doctors expect a bowel change within a day and easier pain within a few days. No trial evidence backs up that timeline.
• How long to take it: Use short courses only. In practice that means a few days up to about two weeks after an injury. Stop and see a doctor if pain, swelling or bruising is no better after a week. Do not take it for months on end; long use raises the risk from the licorice in it.