Autoerythrocyte sensitization syndrome

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Overview

Autoerythrocyte sensitization syndrome, also known as Gardner-Diamond syndrome or psychogenic purpura, is a rare condition in which a person develops painful bruises (purpura) on the skin, seemingly without any clear physical cause or with only minor trauma. The bruises typically appear on the arms, legs, and trunk, and are often preceded by a burning, tingling, or stinging sensation at the site. The condition is thought to involve an unusual sensitivity to a person's own red blood cells or components within them, though the exact cause is still not fully understood. Many patients with this condition also experience significant emotional or psychological stress, and flare-ups of bruising often occur during periods of anxiety, depression, or emotional distress. The syndrome overwhelmingly affects women, most commonly in young to middle-aged adults. Symptoms can include recurrent painful bruises, swelling, headaches, nausea, and fatigue. Some patients also report joint pain and abdominal discomfort. The condition is not life-threatening, but it can significantly affect quality of life due to pain, the visible nature of the bruises, and the emotional burden. Diagnosis is primarily clinical, meaning doctors rely on the pattern of symptoms and ruling out other bleeding disorders. Treatment focuses on managing symptoms and addressing underlying psychological factors. There is no single cure, and care often involves a team including hematologists and mental health professionals. Supportive therapies, stress management, and sometimes medications for pain or psychiatric symptoms are used.

Also known as:

Key symptoms:

Painful bruises that appear without significant injuryBurning or stinging sensation before a bruise appearsSwelling around the bruised areaRecurrent bruising on the arms, legs, and trunkFatigue and tirednessHeadachesNausea or vomitingAbdominal painJoint painEmotional distress, anxiety, or depressionNumbness or tingling at bruise sitesEpisodes triggered by emotional stress

Clinical phenotype terms (42)— hover any for plain English
EcchymosisHP:0031364Posttraumatic stress symptomHP:0033676ThrombocytosisHP:0001894Impaired platelet adhesionHP:0008352Abnormal erythrocyte morphologyHP:0001877Autoimmune thrombocytopeniaHP:0001973
Inheritance

Sporadic

Usually appears on its own, not inherited from a parent

Age of Onset

Adult

Begins in adulthood (age 18 or older)

Orphanet ↗NORD ↗

FDA & Trial Timeline

1 event
Apr 2025Effects Of GDS Method Along With CBTThrough Smartphone Health App For Patients With Chronic LDP

Superior University — NA

TrialACTIVE NOT RECRUITING

Data sourced from FDA regulatory filings and ClinicalTrials.gov. Updated periodically.

Treatments

No FDA-approved treatments are currently listed for Autoerythrocyte sensitization syndrome.

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No actively recruiting trials found for Autoerythrocyte sensitization syndrome at this time.

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No specialists are currently listed for Autoerythrocyte sensitization syndrome.

View NORD Rare Disease Centers ↗Undiagnosed Disease Network ↗

Treatment Centers

8 centers
🏥 NORD

Baylor College of Medicine Rare Disease Center

Baylor College of Medicine

📍 Houston, TX

🏥 NORD

Stanford Medicine Rare Disease Center

Stanford Medicine

📍 Stanford, CA

🔬 UDN

NIH Clinical Center Undiagnosed Diseases Program

National Institutes of Health

📍 Bethesda, MD

🔬 UDN

UCLA UDN Clinical Site

UCLA Health

📍 Los Angeles, CA

🔬 UDN

Baylor College of Medicine UDN Clinical Site

Baylor College of Medicine

📍 Houston, TX

🔬 UDN

Harvard/MGH UDN Clinical Site

Massachusetts General Hospital

📍 Boston, MA

🏥 NORD

Mayo Clinic Center for Individualized Medicine

Mayo Clinic

📍 Rochester, MN

👤 Mayo Clinic Center for Individualized Medicine

🏥 NORD

UCLA Rare Disease Day Program

UCLA Health

📍 Los Angeles, CA

Travel Grants

No travel grants are currently matched to Autoerythrocyte sensitization syndrome.

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Community

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Caregiver Resources

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Social Security Disability

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Questions for your doctor

Bring these to your next appointment

  • Q1.What tests will you do to rule out other bleeding or clotting disorders?,How can I tell the difference between these bruises and bruises from another condition?,Would psychological therapy or counseling help reduce my episodes?,Are there medications that can help with the pain or reduce how often bruises occur?,What stress management techniques do you recommend?,Should I see a psychiatrist or psychologist as part of my care?,Is this condition likely to get better over time?

Common questions about Autoerythrocyte sensitization syndrome

What is Autoerythrocyte sensitization syndrome?

Autoerythrocyte sensitization syndrome, also known as Gardner-Diamond syndrome or psychogenic purpura, is a rare condition in which a person develops painful bruises (purpura) on the skin, seemingly without any clear physical cause or with only minor trauma. The bruises typically appear on the arms, legs, and trunk, and are often preceded by a burning, tingling, or stinging sensation at the site. The condition is thought to involve an unusual sensitivity to a person's own red blood cells or components within them, though the exact cause is still not fully understood. Many patients with this co

How is Autoerythrocyte sensitization syndrome inherited?

Autoerythrocyte sensitization syndrome follows a sporadic inheritance pattern. Genetic counseling can help families understand recurrence risk and testing options.

At what age does Autoerythrocyte sensitization syndrome typically begin?

Typical onset of Autoerythrocyte sensitization syndrome is adult. Age of onset can vary across affected individuals.