Choreitogoshimotsuto
Quick Facts
- What it is: A nine-herb Japanese Kampo formula, on the MHLW NHI-approved list of 148, used mainly for long-running bladder irritation in people who are also pale and run down.
- Main uses: Long-running or returning cystitis (bladder inflammation), Painful or frequent urination, Bladder irritation with traces of blood, Supportive care for radiation-related bladder irritation
- Best for: Repeated bladder irritation in someone who also feels tired, pale and dry, Lingering urinary discomfort after an infection has been treated
- Active ingredients: Chorei (Polyporus), Bukuryo (Poria), Takusha (Alisma), Kasseki (talc), Agyo (donkey-hide gelatin), Jio (Rehmannia), Shakuyaku (peony), Senkyu (Cnidium), Toki (Japanese angelica)
- Forms: Dried extract granules in single-dose sachets, Tablets, Fine powder, Loose herbs for decoction (simmering in water)
- Time to effect: Traditionally a few days to two weeks for urinary comfort; this is expectation, not trial data.
- Side effects: Usually mild digestive upset; rare reports of liver injury and lung inflammation mean any new jaundice, cough or breathlessness needs a doctor.
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What is Choreitogoshimotsuto?
Choreitogoshimotsuto is a Japanese Kampo herbal mix. It is used mainly for urinary problems that run on and on. These include burning, frequent or hard urination, plus bladder irritation that keeps coming back.
It is picked most often for people who look pale, dry-skinned or run down. It suits them better than people with a sudden high fever.
The name means "Choreito combined with Shimotsuto". It joins two older formulas. Choreito is a urinary formula, and Shimotsuto is a blood-building one.
The mix is one of 148 Kampo formulas on Japan's approved list. That list is set by the Ministry of Health, Labour and Welfare (MHLW). It means the national health insurance (NHI) system helps pay for it.
In Japan a doctor normally prescribes it.
On the evidence: human trial data is thin. Most of it comes from small Japanese reports with no control group, not from well-built randomised trials. So the formula rests far more on centuries of use than on modern proof.
Long traditional use is not the same as proof that something works. That point applies to everything on this page.
How does Choreitogoshimotsuto work?
The honest answer is that no one has shown clearly how it works in people.
In Kampo theory the mix does two jobs at once. It is said to drain "damp heat" from the urinary tract. At the same time it is said to feed blood and moisture that have run low.
In modern terms, the Choreito part is called mildly diuretic (it makes you pass more urine). It is also said to soothe a sore bladder lining.
Lab and animal work on single herbs points to anti-inflammatory effects (calming swelling). It also hints at a mild block on stone forming. But animal findings do not always carry over to people.
The Shimotsuto part is used in tradition for dryness, pallor and tiredness. There is no good human evidence for what it adds here.
What forms does Choreitogoshimotsuto come in?
In Japan the usual form is a dried extract granule. It comes in single-dose sachets, made by licensed firms to a set standard. Tablet and fine-powder versions also exist.
Outside Japan you may find other forms: - a loose herb mix for decoction (simmering the herbs in water) - capsules from herbal suppliers
Quality varies a lot from supplier to supplier. Imported products are not held to the Japanese prescription standard.
Where it comes from:
Both halves of this formula are classics. Choreito appears in the Shanghan Lun, a Chinese medical text from about 200 CE. Shimotsuto appears in a Song dynasty formulary (a book of set recipes) from 1107 CE.
Joining the two into one prescription is a Japanese Kampo practice. Kampo doctors shaped formulas to fit the whole person, not just the symptom.
It has been prescribed in Japan for well over a century. It sits on the modern MHLW list of 148 formulas covered by insurance.
Who should avoid Choreitogoshimotsuto?
- Do not use if you have blood in your urine that a doctor has not yet investigated.
- Do not use if you have a bladder or kidney infection with fever, chills or back pain, which needs urgent medical treatment instead.
- Do not use if you are pregnant or breastfeeding, unless a doctor who knows the formula tells you to.
- Do not use if you have liver disease, or have had drug-induced liver injury (liver damage caused by a medicine), without medical supervision.
- Do not use if you are allergic to animal gelatin, because the formula contains Agyo, gelatin made from donkey hide.
- Do not use if you take warfarin or another blood thinner, unless your doctor has checked the combination first.
- Do not use if you are giving it to a child, unless a practitioner has set the dose.
- Do not use if you are already taking another Kampo or Chinese herbal formula, until someone has checked whether the herbs overlap.
When should you see a doctor?
See a doctor the same day if you get a fever, chills, pain in your back or side, or if you cannot pass urine. Those point to a kidney infection or a blockage, not simple bladder irritation.
Stop the formula and get checked if your skin or the whites of your eyes turn yellow, your urine turns dark, or you feel unusually exhausted. These can be signs of liver trouble.
Also stop and see a doctor if you develop a new cough, breathlessness or fever, which can rarely signal lung inflammation. Book a routine appointment if you see blood in your urine for the first time, or if urinary symptoms have not improved after two to four weeks.
Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.
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