Other Names for this Disease
- Porphyria variegate
- Porphyria, South African type
- PPOX deficiency
- Protoporphyrinogen oxidase deficiency
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.
On this page
Variegate porphyria is inherited in an autosomal dominant manner, which means one copy of the gene in each cell is mutated. This single mutation is sufficient to reduce the activity of an enzyme needed for heme production, which increases the risk of developing signs and symptoms of porphyria.
Last updated: 7/19/2010
- Variegate Porphyria (VP). American Porphyria Foundation. 2010; http://www.porphyriafoundation.com/about-porphyria/types-of-porphyria/VP. Accessed 7/19/2010.
- Porphyria. Genetics Home Reference (GHR). 2009; http://ghr.nlm.nih.gov/condition=porphyria. Accessed 7/19/2010.