21. Some consider it to have been an attack of clinical lycanthropy or alternatively porphyria . 22. Mutations in the PPOX gene cause variegate porphyria . 23. These included multiple sclerosis, porphyria , schizophrenia, idiopathic myopathies, and myositis. 24. Other commentators have suggested that Vincent van Gogh may have suffered from acute intermittent porphyria . 25. Physician Archie Cochrane was born with porphyria , which caused health problems throughout his life. 26. Erythropoietic porphyria is a genetic disease resulting in the deposition of porphyrins throughout the body. 27. Other pruritus, dysuria, interstitial nephritis, malaise; rarely porphyria , and fever. 28. In cases of cutaneous Porphyria alcohol consumption has been found to be a strong trigger. 29. This is a non-specific finding that is not necessarily due to an acute porphyria . 30. Some people with variegate porphyria have skin that is overly sensitive to sunlight ( photosensitive ).