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Genetic and Rare Diseases Information Center (GARD)


Other names people use for this condition
  • Leukocytoclastic angiitis



Hypersensitivity vasculitis
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Hypersensitivity vasculitis is an extreme reaction to a drug, infection, or foreign substance that leads to inflammation and damage to blood vessels of the skin. Signs and symptoms may include purple-colored spots and patches on the skin; skin lesions on the legs, buttocks, or trunk; blisters on the skin; hives (urticaria); and/or open sores with dead tissue (necrotic ulcers). This condition is caused by an allergic reaction to a drug or other foreign substance. This condition usually goes away over time; but on occasion, people can have repeated episodes.[1]


References
  1. Allergic vasculitis. MedlinePlus. 2011 Available at: http://www.nlm.nih.gov/medlineplus/ency/article/000874.htm. Accessed December 14, 2011.
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