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Autoimmune urticaria is characterized by the presence of autoantibodies, which are antibodies that the immune system mistakenly produces against the body's own cells.In the case of autoimmune urticaria, these autoantibodies primarily target the high-affinity IgE receptor (FcεRI) on mast cells and basophils, or less commonly, IgE itself.
Urticarial vasculitis (also known as "chronic urticaria as a manifestation of venulitis", "hypocomplementemic urticarial vasculitis syndrome", "hypocomplementemic vasculitis" and "unusual lupus-like syndrome") [1] is a skin condition characterized by fixed urticarial lesions that appear histologically as a vasculitis.
The cause of physical urticaria is unknown but it has been suggested to be an autoimmune disease, suggesting that antibodies, which are produced by the immune system to protect humans from foreign microbes, are binding to body tissue and damaging it. [8] In some cases physical urticaria can be a symptom of an underlying health issue such as: [9 ...
Progesterone dermatitis is a rare immune sensitivity condition. Symptoms present like common skin conditions, including eczema and hives, or allergic reactions. Experts weigh in to help you ...
Other symptoms to note: Hives are most of often the result of exposure to allergens, and they could be a sign of a serious allergic reaction. Hives might not cause any discoloration on darker skin ...
Eczema may be caused by an overactive immune system, but it’s not entirely clear what causes the condition. ... Hives symptoms and signs. Hives appear on the skin as slightly swollen, raised ...
The most common symptoms of chronic spontaneous urticaria are angioedema and hives that are accompanied by itchiness. Chronic spontaneous urticaria, despite its cause being unknown, is linked to a higher prevalence of autoimmune diseases , and is often worsened by triggers like stress, infections, certain foods, or nonsteroidal anti ...
Possibly an immune system disorder but not autoimmune. Gastrointestinal pemphigoid: No consistent evidence of association with autoimmunity. Hypogammaglobulinemia: An immune system disorder but not autoimmune. Idiopathic giant-cell myocarditis: No consistent evidence of autoimmune cause though the disease has been found comorbid with other ...