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All Communities

  • Ideopathic Retinitus, Vasculitis, Aneurysms and Neuroretinitis

    1 members

    IRVAN syndrome is a rare disease characterized by retinal vasculitis, retinal aneurysms and neuroretinitis. Patients are usually asymptomatic at diagnosis but over time, proliferativ...

  • Idiopathic Atrophoderma of Pasini and Pierini

    1 members

    Idiopathic Atrophoderma of Pasini and Pierini is a form of dermal atrophy.

  • Idiopathic Autoimmune Hemolytic Anemia

    4 members

    Idiopathic Autoimmune Hemolytic Anemia is a reduction in the number of red blood cells due to the body's immune system.

  • Idiopathic Hypersomnia

    21 members

    Idiopathic Hypersomnia (IH) is a chronic neurological disorder characterized by excessive daytime sleepiness and difficulty waking up in the morning or from daytime naps. In IH, these symptoms a...

  • Idiopathic Interstitial Pneumonia

    1 members

    Idiopathic Interstitial Pneumonia is a rare disorder affecting thetissue and space around the air sacs of the lungs.

  • Idiopathic Juxtafoveal Macular Telangiectasia

    19 members

    Idiopathic Juxtafoveal Macular Telangiectasia is overgrowth and leakage of dilated, twisted, capillaries around the fovea centralis of the retina, leading to distortion, scotomas, and loss of centr...

  • Idiopathic Pulmonary Fibrosis

    11 members

    Idiopathic Pulmonary Fibrosis is a rare pulmonary disorder characterized by scarring of the lungs.

  • Idiopathic Pulmonary Haemosiderosis

    6 members

    Idiopathic Pulmonary Haemosiderosis is a rare lung disorder characterized by alveolar capillary bleeding and accumulation of iron (in the form of haemosiderin) in the lungs.

  • Idiopathic Sensory Polyneuropathy

    1 members

    Idiopathic Sensory Polyneuropathy is a disorder affecting the nerves that has no identifiable primary cause.

  • Idiopathic Thrombocytopenic Purpura

    13 members

    Idiopathic Thrombocytopenic Purpura is a condition in which the blood does not clot as quickly as it should due to a low number of platelets.

  • IgA Nephropathy

    6 members

    IgA Nephropathy is a kidney disease that occurs when the antibody IgA lodges in your kidneys.

  • Iminoglycinuria


  • Inclusion Body Myositis

    6 members

    Inclusion Body Myositis is a rare inflammatory muscle disease.

  • Incontinentia Pigmenti

    5 members

    Incontinentia Pigmenti is a genetic disorder that affects the skin, hair, teeth, and nails.

  • Infantile Neuroaxonal Dystrophy (INAD)

    4 members

    Infantile neuroaxonal dystrophy (INAD) is a rare, genetic neurological disorder. Symptoms usually present between 6 and 18 months of age. There is often ra...

  • Intestinal Pseudo Obstruction

    5 members

    Intestinal Pseudo Obstruction is a rare disorder characterized by the decreased ability of the intestines to push food through.

  • Intracranial Lipoma

    4 members

    Intracranial Lipomas are rare congenital malformations, usually pericallosal asymptomatic midline lesions.


  • Iritis

    4 members

    Iritis is characterized by the inflammation of the iris of the eye.

  • Isaac's Syndrome

    8 members

    Isaac's Syndrome is a rare neuromuscular disorder.

  • Isovaleric Acidemia

    1 members

    Isovaleric Acidemia is a rare autosomal recessive metabolic disorder characterized by abnormal buildup of organic acids.