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Serum sickness in humans is a reaction to proteins in antiserum derived from a non-human animal source, occurring 5–10 days after exposure. Symptoms often include a rash, joint pain, fever, and lymphadenopathy. It is a type of hypersensitivity, specifically immune complex hypersensitivity .
Serum sickness–like reaction is named for its clinical similarity to serum sickness, in which immune complexes are deposited in the skin, joints, and other organs. True serum sickness, a type III hypersensitivity reaction, results in fever, lymphadenopathy, arthralgias, cutaneous eruptions, gastrointestinal disturbances, proteinuria, and ...
Sweet syndrome (SS), or acute febrile neutrophilic dermatosis, [1] [2] is a skin disease characterized by the sudden onset of fever, an elevated white blood cell count, and tender, red, well-demarcated papules and plaques that show dense infiltrates by neutrophil granulocytes on histologic examination.
In immunology, the Arthus reaction (/ ˌ ɑːr ˈ tj uː s /) is a type of local type III hypersensitivity reaction.Type III hypersensitivity reactions are immune complex-mediated, and involve the deposition of antigen/antibody complexes mainly in the vascular walls, serosa (pleura, pericardium, synovium), and glomeruli.
The skin eruptions are often pruritic and accompanied by fever, headache, a high number of neutrophils and eosinophils in the blood, and elevated blood levels of markers for inflammation (i.e. erythrocyte sedimentation rate and C-reactive protein). The skin eruptions typically end within a week after causative drug is discontinued. [3]
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While it’s challenging to remember what ingredients are ideal in a skincare product, there are harsh components that we know we don’t want such as parabens, phlates and synthetic fragrances ...
Inflammation-induced damage to the skin's blood vessels causes palpable purpura. Palpable purpura is the clinical manifestation of leukocytoclastic vasculitis , which can be idiopathic or linked to sepsis , reactions to drugs, connective tissue diseases , cryoglobulinemia , hepatitis C or B infection, or underlying cancers.