Conditions with skin lesions only:
(1) porphyria cutanea tarda (PCT)
(2) congenital erythroietic porphyria (CEP)
(3) hepatoerythropoietic porphyria (HEP)
(4) erythropoietic protoporphyria (EPP)
Conditions with neurovisceral symptoms in addition to skin lesions:
(1) hereditary coproporphyria (HCP)
(2) variegate porphyria (VP)
The patient may also experience bullae and skin fragility. In erythropoietic protoporphyria the patient may develop urticaria.
Management:
(1) Discontinue any drug contributing to porphyrin overproduction (and identify a safe substitute if essential).
(2) Avoid alcohol.
(3) Maintain an adequate diet and hydration.
(4) Avoid sunlight and bright lights.
(5) Cover the skin with clothing and/or a barrier cream.