Merck Manual

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Erythropoietic Protoporphyria (Sun Sensitivity)
Erythropoietic Protoporphyria (Sun Sensitivity)
Erythropoietic Protoporphyria (Sun Sensitivity)

These children with erythropoietic protoporhyria have redness, hyperpigmentation (darkening), and crusting on the face and redness and swelling of the hands after sun exposure.

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