Short answer · Medically reviewed summary · Last updated: 2026-04-07
Hyper IgE Syndrome (HIES), also known as Job syndrome, is a rare primary immunodeficiency disorder characterized by recurrent skin abscesses, severe lung infections, and significantly elevated levels of immunoglobulin E (IgE) in the blood. Understanding the Body Systems Affected Because Hyper IgE Syndrome affects the immune system, its impact is systemic. Patients often experience "cold" staphylococcal abscesses (which lack the typical redness and warmth of normal infections), chronic eczema, and recurrent pneumonia that can lead to permanent lung damage, such as pneumatoceles.
What is Hyper IgE Syndrome
What is Hyper IgE Syndrome? Plain-language, medically reviewed definition plus the lived reality told by patients.
Hyper IgE Syndrome (HIES), also known as Job syndrome, is a rare primary immunodeficiency disorder characterized by recurrent skin abscesses, severe lung infections, and significantly elevated levels of immunoglobulin E (IgE) in the blood.
Understanding the Body Systems Affected
Because Hyper IgE Syndrome affects the immune system, its impact is systemic. Patients often experience "cold" staphylococcal abscesses (which lack the typical redness and warmth of normal infections), chronic eczema, and recurrent pneumonia that can lead to permanent lung damage, such as pneumatoceles. Beyond the immune system, Hyper IgE Syndrome frequently affects the skeletal and connective tissues, leading to retained primary teeth, scoliosis, and bone fragility.
Classifications and Genetic Mechanism
The condition is primarily classified based on its genetic cause. The most common form, Autosomal Dominant HIES, is caused by mutations in the STAT3 gene. A rarer, Autosomal Recessive form is linked to mutations in the DOCK8 gene. These genetic mutations disrupt the body's ability to mount a proper inflammatory response to pathogens, causing the immune system to overproduce IgE antibodies while failing to effectively clear certain bacteria and fungi.
Prevalence and Patient Profile
Hyper IgE Syndrome is extremely rare, with an estimated prevalence of less than 1 in 100,000 individuals worldwide. It is typically diagnosed in childhood, though mild cases may not be identified until adulthood. There is no known gender, ethnic, or geographic bias; it affects individuals globally across all populations.
Key Differentiators
What distinguishes Hyper IgE Syndrome from other immunodeficiencies is the combination of immune dysfunction with distinct physical features, such as coarse facial characteristics (often including a broad nasal bridge) and the specific pattern of skin and skeletal involvement. Unlike many other immune disorders, the hallmark "cold" abscesses and the specific dental abnormalities provide clinicians with strong diagnostic clues early on.
Medical Disclaimer: This information is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.
References
- NIH Genetic and Rare Diseases Information Center (GARD): Hyper IgE Syndrome
- Orphanet: Hyper-IgE syndrome
- OMIM (Online Mendelian Inheritance in Man): STAT3-related Hyper-IgE syndrome
