Allergic vasculitis
Alternate Names : Vasculitis - allergic, Hypersensitivity vasculitis, Cutaneous leukocytoclastic vasculitis
Symptoms & Signs
- Purple-colored spots and patches, which get pale when pressure is placed on them (purpura)
- Skin lesions usually located on the legs, buttocks, or trunk
- Blisters on the skin
- Hives (urticaria), may last longer than 24 hours
- Open sores with dead tissue (necrotic ulcers)
Diagnosis & Tests
The diagnosis is based on your symptoms and how the skin looks after you take a certain medicine or are exposed to a foreign substance (antigen). Results from an ESR test may be high. Skin biopsy shows inflammation of the blood vessels.
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