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Results 1 - 1 of 1 for urticaria "pigmentosa," diffuse infiltrative OR urticaria pigmentosa OR mastocytosis
  1. Urticaria pigmentosa 
    Urticaria pigmentosa is a skin disease that produces patches of darker skin and very bad itching . Hives can develop when these skin areas are rubbed.
    https://medlineplus.gov/ency/article/001466.htm - Medical Encyclopedia