- Acute intermittent porphyria
- Aminolevulinate dehydratase deficiency porphyria
- Erythropoietic protoporphyria
- Hepatoerythropoietic porphyria
- Hereditary coproporphyria
Most porphyrias are inherited conditions with either an autosomal dominant or autosomal recessive pattern of inheritance. Porphyria can also be caused by environmental factors such as infections or exposures to certain prescription drugs. This type of porphyria is called sporadic or acquired porphyria.
- Porphyria. National Digestive Diseases Information Clearinghouse (NDDIC). 2008; http://digestive.niddk.nih.gov/ddiseases/pubs/porphyria/index.htm. Accessed 6/27/2011.
- Dugdale DC, Chen YB. Porphyria. MedlinePlus. 2009; http://www.nlm.nih.gov/medlineplus/porphyria.html. Accessed 6/27/2011.
- Porphyria. Genetics Home Reference. 2009; http://ghr.nlm.nih.gov/condition=porphyria. Accessed 6/27/2011.