<unk>  <unk>  is a rare metabolic disorder affecting the production of heme resulting from a deficiency of the porphobilinogen deaminase. It is the most common of the<unk>  porphyrias.
Acute intermittent porphyria
Hepatic porphyria
Variegate porphyria
Erythropoietic porphyria
Hepatoerythropoietic porphyria
Woodhouse–Sakati syndrome
Diarrhetic shellfish poisoning
Porphyria