IgA Vasculitis (Henoch-Schönlein Purpura)

What is IgA Vasculitis?

IgA vasculitis is an inflammation of the small blood vessels of the skin, joints, gut and kidneys, and it was formerly called Henoch-Schönlein purpura.^{[1, 2]} It is the most common vasculitis in children but also occurs in adults, and it is driven by immune complexes containing IgA that lodge in vessel walls.^{[2, 3]}

Common symptoms

The hallmark is a raised, purple rash (palpable purpura), usually on the lower legs and buttocks, that is not caused by a low platelet count. Joint pain or swelling and abdominal pain are also typical.^[2]

• Belly pain, sometimes with vomiting or blood in the stool
• Blood or protein in the urine when the kidneys are involved
• Less often, testicular pain or nervous system involvement^{[2, 3]}

Causes and risk factors

The exact cause is not known. The disease involves abnormal IgA antibodies, immune complexes and activated white blood cells that inflame small vessels.^[4] It is more common in autumn and winter, which suggests a role for genetic and environmental factors.^[4] Reviews also list infections, some vaccines and some drugs as possible triggers.^[5]

How it is diagnosed and treated conventionally

Diagnosis rests on the typical rash and symptoms. Testing is used mainly to rule out other causes of purpura and to look for kidney involvement, and a biopsy is sometimes needed.^[2] The illness resolves on its own in about 94% of children and 89% of adults, so supportive care is the main treatment.^[2]

Corticosteroids are the usual first-line drug for severe disease, and some people need immune-suppressing medicines for serious gut or kidney involvement.^[6] Steroids do not prevent complications and are not used preventively.^[2] Kidney involvement can persist or relapse years later, so follow-up of about six months is considered prudent, and adults tend to have more severe kidney disease than children.^{[2, 7]}

Why IgA Vasculitis calls for a whole-person approach

IgA vasculitis is a medical condition first. The inflammation, the kidney risk and the follow-up all belong with your physicians, and none of the care described here changes that.

Several other factors shape how people live through it, such as pain, stress and general health, and these are where supportive care may reasonably help.

Immune activation and inflammation

The disease is driven by IgA immune complexes and neutrophil activation that inflame small vessels.^[4] This is why it is treated by physicians with anti-inflammatory and immune-modulating drugs when it is severe.^[6]

Kidney involvement

Most people with kidney involvement recover, but a minority develop lasting kidney disease. In adults, kidney and gut involvement are the main causes of illness and death.^{[1, 7]} Anything used alongside medical care, including herbs, should be judged first by whether it could harm the kidneys.^[8]

Pain

Joint pain and abdominal pain are among the most troublesome symptoms.^[2] Acupuncture has been studied for pain in general, which is the main reason it is considered here as supportive care.^[9]

Stress and the nervous system

Researchers studying inflammatory pain propose that acupuncture influences communication between nerves, immune cells and stress hormones.^[10] This is a laboratory-based idea and has not been shown to change the course of IgA vasculitis.

Acupuncture as supportive care in IgA Vasculitis

What the research shows

No large, well-controlled trial has tested acupuncture for IgA vasculitis, and the evidence for the disease itself is very limited. A search found one small randomized trial from China of 60 children with the abdominal form who were already on corticosteroids. Adding acupuncture for 7 days led to a higher effective rate and quicker end of abdominal pain, but the trial was small, had no sham-acupuncture group, and tells us little about adults.^[11]

A systematic review of acupuncture for the abdominal pain of this condition has been planned, which shows that the evidence base is still being built.^[12]

For pain more broadly, an individual patient data meta-analysis of 39 high-quality trials (20,827 patients) found acupuncture better than sham and no-acupuncture controls for chronic musculoskeletal pain, osteoarthritis, headache and shoulder pain.^[9] This evidence is for those pain conditions, not for IgA vasculitis.

How acupuncture may work

Reviews of laboratory studies propose that electroacupuncture may reduce inflammatory pain through interactions between nerves, immune cells and the hormone systems that respond to stress.^[10] These are proposed mechanisms, and they have not been shown to act on the blood-vessel inflammation of IgA vasculitis.

What treatment involves

Treatment uses fine, sterile, single-use needles at points on the body, usually left in place for about 20 to 40 minutes, with a short course of visits and a reassessment. The one small trial above used daily sessions of 15 minutes for a week in children, which is not a typical outpatient schedule.^[11]

In prospective studies, about 9 in 100 patients had a minor reaction such as soreness or bleeding at a needle site, and serious events occurred in about 1 in 10,000 patients.^[13] Tell the practitioner first if you have a bleeding disorder, take blood thinners or are pregnant. Needling over active purpura or bruising would need particular care, and we would want your physician's guidance first.

Ayurvedic medicine as supportive care in IgA Vasculitis

The Ayurvedic view

Ayurveda has no exact counterpart to IgA vasculitis. Bleeding into the skin and inflamed blood vessels are traditionally discussed under Raktapitta and Vatarakta, in which the blood (rakta) and Pitta are described as disturbed. These are traditional categories, not biomedical diagnoses.

Therapies that may be used

Care is individualized and, in tradition, includes cooling and easy-to-digest diets, regular sleep and meal times, and stress-reducing practices. Herbs may be considered one at a time by a qualified practitioner, from tested sources, because one fifth of Ayurvedic medicines bought online contained detectable lead, mercury or arsenic.^[14] Panchakarma is not appropriate during acute illness, active flares, kidney impairment, pregnancy or frailty, and we would not use it in an active vasculitis.

What the research shows

We found no clinical research on Ayurvedic treatment for IgA vasculitis. The only related item was a single case report of an Ayurvedic regimen, centered on the herb Tinospora cordifolia, in a woman with lupus-related vasculitis, which is a different disease. A single case cannot show that a treatment works.^[15]

Herbal medicine as supportive care in IgA Vasculitis

Herbs and formulas that have been studied

Almost all of the research is Chinese herbal medicine in children in China. Studied products include various oral Chinese herbal medicines given with conventional drugs, Danshen (Salvia miltiorrhiza) formulations, and the patent medicine Huaiqihuang for kidney involvement.^{[16, 17, 18]} Tripterygium wilfordii polyglycoside has also been compared with immune-suppressing drugs in children with kidney involvement.^[19]

What the research shows

The evidence is limited and of low quality. A review of 15 trials in 1,112 children without kidney damage found that adding oral Chinese herbs to conventional drugs was associated with less later kidney damage and faster fading of the rash. The authors rated the trials as low in methodological quality and could not draw a reliable conclusion about safety.^[16]

A review of five trials of Danshen formulations in 513 children found a lower risk of later kidney disease, but rated the evidence as low quality and insufficient for a firm recommendation.^[17] A review of seven trials of Huaiqihuang for kidney involvement reported better outcomes when it was added to conventional medicine, called the evidence limited, and called for higher-quality trials.^[18] A 2026 network meta-analysis found that mycophenolate-based treatment gave the best balance of benefit and safety in Chinese children with kidney involvement, with results mostly from Chinese trials that may not apply elsewhere.^[19] We found no equivalent trials in adults.

Safety and herb-drug interactions

Herbs are active substances and the kidneys are especially vulnerable. Some Chinese herbal products, notably those containing aristolochic acid, can cause kidney injury, and contamination, adulteration and herb-drug interactions add to the risk.^[8] This matters most for people whose kidneys are already involved.

Herbs can also interact with medicines. For example, St John's wort lowered blood levels of the immune-suppressing drugs ciclosporin and tacrolimus, and case reports described enhanced anticoagulation and bleeding when danshen was taken with warfarin.^[20] About one fifth of Ayurvedic medicines bought online contained detectable lead, mercury or arsenic.^[14] We would not offer any herb without your nephrologist or physician knowing about it, and it would be prescribed individually. Tell us if you are pregnant or breastfeeding, or have liver or kidney disease.

Translating traditional medicine into modern biological language

The following is interpretation, not equivalence. In Chinese medicine, a purple rash is often described as heat in the blood or blood stasis, patterns that loosely parallel the vessel inflammation and bleeding into the skin that researchers study.^[4] Danshen, traditionally used to move blood stasis, is one herb that has been tested in this disease.^[17]

In Ayurveda, a disturbance of blood and Pitta describes the same kind of rash and heat. No study has shown that these traditional patterns correspond to a specific biological process in IgA vasculitis.

How this care fits with your medical care

Supportive care for IgA vasculitis is complementary. For a condition like this, we ask that you are under a physician's care for it and that your treating team knows you are receiving complementary care. Do not stop or change prescribed medicines, including corticosteroids, without your prescriber.

We do not diagnose IgA vasculitis or monitor your kidneys. Please bring your diagnosis, recent urine and blood test results, a list of all medicines and supplements, and the contact details of your treating physician. Children with this condition need care directed by a pediatric specialist.

When to seek urgent medical care

Some features of IgA vasculitis signal serious organ involvement and need prompt medical assessment.^{[2, 3]}

• Severe or worsening belly pain, repeated vomiting, or blood in the stool or vomit
• Blood in the urine, foamy urine, swelling of the face or legs, or high blood pressure
• Severe testicular pain or swelling
• Severe headache, confusion or a seizure
• A rash that spreads quickly, forms blisters or open sores, or comes with fever
• Shortness of breath or coughing up blood

If any of these occur, call 911 or go to the nearest emergency department.