Pediatric Oncall
- Information on porphyrias including the various types and its management.
- http://www.pediatriconcall.com/fordoctor/diseasesandcondition/porphyrias.asp

Porphyria
- From Yahoo Groups. E-mail list for people with Porphyria. Friends, families and care givers are welcome.
- http://groups.yahoo.com/group/porphyria/

Porphgroup
- An e-mail group at Yahoo dealing with the metabolic disease porphyria.
- http://groups.yahoo.com/group/porphgroup/

Suite 101
- Offers links and articles about Porphyria.
- http://www.suite101.com/welcome.cfm/porphyria

Diagnosing the Porphyrias
- An article by Thomas G. DeLoughery, Associate Professor of Medicine.
- http://www.ohsu.edu/som-hemonc/handouts/deloughery/por.shtml

Canadian Porphyria Foundation
- Mission statement, objectives of the organization, newsletters and safe and unsafe drugs. Also: A Guide to Porphyria - a complete booklet of information.
- http://www.cpf-inc.ca/

King George II and Porphyria
- Talks about the symptoms of porphyria affecting King George III who ruled England during the American revolution.
- http://www.mhhe.com/biosci/ap/seeleyap/cardio/reading20.mhtml

Porphyrias: Diagnosis and Treatment
- Clinical manifestations, diagnosis, etiology and treatment of six types of porphyrias are discussed.
- http://www.medstudents.com.br/metdis/metdis3.htm

Porphyria Page
- A patient guide for all people with this disorder. Compiled by Professor Michael Moore.
- http://www.uq.edu.au/porphyria/