Frequently Asked Questions on Topics for the Entire Family, for your health and well being and more! FAQs - Porphyria What is porphyria? How many types of porphyria are there? Variegate Porphyria (VP) Hereditary Coproporphyria (HCP) Aminolevulinate dehydratase deficiency porphyria (ADP) Porphyria Cutanea Tarda (PCT) Erythropoietic Protoporphyria (EPP) Congenital Porphyria (CP) What is acute porphyria? What is a an acute attack of Porphyria? How is acute porphyria inherited? How many types of porphyria are there? What is the risk of symptoms among those who have inherited an acute porphyria gene? How is an attack of acute porphyria diagnosed? When is the best time to be tested for an acute porphyria? How are relatives screened for acute porphyria? What can I do to reduce the risk of having an acute attack? Conclusion If there is a subject you think we need in the FAQ section, please contact us and let us know!