label: erythropoietic protoporphyria
label_lc: erythropoietic protoporphyria
description: "A rare congenital metabolic disorder characterized by an inborn error of porphyrin-heme biosynthesis. Signs and symptoms include painful cutaneous photosensitivity leading to blistering and scarring of the exposed skin areas, erythrodontia, red discoloration of urine, hemolytic anemia, and splenomegaly."