Autoimmune thrombocytopenia–primary immunodeficiency syndrome means a person has very low platelets because the immune system is attacking their own platelets, ...

Autoimmune hemolytic anemia (AIHA) is a blood disorder where your immune system mistakenly makes antibodies that stick to your own red blood cells. These ...

Chronic mucocutaneous candidiasis (CMC) is a long-lasting tendency to get repeated or persistent Candida (yeast) infections of the mouth, throat, esophagus, ...

Autoimmune enteropathy and endocrinopathy – susceptibility to chronic infections syndrome is an extremely rare, inherited immune-system disorder. It happens ...

Severe immune-mediated enteropathy means the small intestine is badly inflamed or injured because the immune system is attacking or mis-controlling the lining ...

Immune-mediated protracted diarrhea of infancy means a baby has diarrhea that lasts for more than two weeks because the immune system is attacking or ...

Autoimmune enteropathy is a rare disease where the immune system attacks the lining of the small intestine. The attack makes the villi (tiny finger-like ...

Autoimmune encephalitis is brain inflammation caused by the body’s own immune system attacking healthy brain cells by mistake. “Autoimmune” means your immune ...

Psychogenic purpura is a very rare condition where painful, burning, or tender skin patches suddenly swell and then turn into dark bruises (ecchymoses) within ...

Painful bruising syndrome is a very rare condition where tender, burning or stinging skin patches suddenly appear and then turn into bruises (purpura) within ...

Gardner–Diamond syndrome is a very rare skin disorder in which painful, red and swollen patches suddenly appear and then turn into deep purple bruises ...

Autoerythrocyte Sensitization Syndrome is a rare condition where people develop painful, tender skin swellings that turn into dark bruises (ecchymoses) within ...

Autism-facial port-wine stain syndrome describes a very rare pattern seen in a handful of children: a unilateral facial port-wine stain (a flat, ...

Intellectual developmental disorder due to AUTS2 deficiency is a rare genetic neurodevelopmental condition. It happens when one copy of the AUTS2 gene does not ...

Autism spectrum disorder due to AUTS2 deficiency is a rare, genetic neurodevelopmental condition caused by harmful changes (variants) in the AUTS2 gene. The ...

Autism spectrum disorder – epilepsy – arthrogryposis syndrome is a rare genetic condition. Children are born with tight or stiff joints (arthrogryposis), and ...

Auriculoosteodysplasia is a very rare inherited condition. It mainly affects the bones and the outer part of the ears. People with this condition have changes ...

Question mark ear syndrome describes a rare pattern of ear and jaw development differences present at birth. The most visible sign is a special ear shape that ...

Auriculocondylar syndrome is a genetic condition that affects how the ears and lower jaw form before birth. A typical sign is the “question-mark ear”—a split ...

Auricular Abnormalities–Cleft Lip (with or without Cleft Palate)–Ocular Abnormalities Syndrome is a very rare birth condition in which a child has three main ...