Erythropoietic Protoporphyria

  • Porphyrias Consortium (PC)

    The porphyrias are a group of rare, inherited disorders, each caused by a deficiency with one of eight enzymes necessary to produce heme, an important component of hemoglobin and other proteins. The porphyrias are classified as either acute hepatic (liver) or cutaneous (skin); the former is characterized generally by acute attacks of severe abdominal pain accompanied by nausea, vomiting and other