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- Immunoglobulin E tests - DermNet
Immunoglobulin E (IgE) is an antibody produced during a type I hypersensitivity reaction to an allergen (See DermNet's page Allergies explained ) A schematic for the type I reaction pathway is shown below [1] IgE antibodies are normally found in small amounts in the blood A higher level than normal infers an allergic disorder may be present [2]
- Urticaria (Hives): a complete overview — DermNet
Urticaria (hives) is a skin rash presenting as an itchy red rash or lumps called weals Depending on the trigger, hives can last in duration from a few hours to a week
- Job syndrome (hyper-IgE syndrome) - DermNet
Job syndrome, also called hyper- IgE syndrome, is the name given to a rare inherited immune deficiency characterised by severe infections of the skin and other organs
- Toxocariasis - DermNet
Raised total IgE Raised specific IgE or IgG antibodies against Toxocara can be detected with an enzyme linked immunosorbent assay (ELISA) IgG antibodies are the most sensitive, but remain elevated for at least four years after infection; specific IgE antibody levels decrease significantly during the first year after treatment
- Wiskott-Aldrich syndrome - DermNet
Immunoglobulin (antibody) levels in the bloodstream may be low in Wiskott-Aldrich syndrome Classic Wiskott-Aldrich syndrome is associated with: low immunoglobulin M (IgM) and immunoglobulin G (IgG) levels normal-to-high immunoglobulin A (IgA) and immunoglobulin E (IgE) levels
- Allergies explained - DermNet
Allergies explained, Hypersensitivity reaction, Allergic or hypersensitivity conditions, Hypersensitivity response, Allergy - general information Authoritative facts from DermNet New Zealand
- Peanut allergy - DermNet
Peanut allergy is an adverse immune response to a peanut allergen Reactions include: Systemic immunoglobulin E (IgE) mediated type I immediate hypersensitivity reaction (anaphylaxis) [1] Oral allergy syndrome — a localised IgE-mediated allergy caused by fresh fruits, vegetables, and nuts, with symptoms confined to the lips, mouth, and throat [2]
- Autoimmune Progesterone Dermatitis (APD) — DermNet
Autoimmune progesterone dermatitis is a rare, cyclical hypersensitivity reaction to peak levels of endogenous progesterone seen during the menstrual cycle It characteristically presents as a rash that appears 3-4 days before menstruation when progesterone levels peak
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