The results is an increase in porphyrins in the skin, resulting in photosensitivity i.e. the skin is damaged by light. They may notice that they sunburn easily.
Some people develop mottled brown patches around the eyes and increased facial hair.
These include alcohol, oestrogen, iron overload, and polychlorinated aromatic hydrocarbons. Investigations Skin biopsy ACharacteristic changes are seen which differentiates PCT from other blistering diseases. Examination of the urine with a Wood's lamp Characteristic coral pink fluorescence of excessive porphyrins occurs. In the urine there are elevated levels of uroporphyrins, and in the stool coproporphyrins and uroporphyrins. Liver enzymes because the liver sometimes does not function normally.