Protoporphyrin accumulates in erythrocytes, leaks into the plasma and results in severe skin photosensitivity. Using a mouse model of erythropoietic protoporphyria, we demonstrate here that ex ...

The photosensitivity sometimes began several ... Stimulus avoidance and stimulus modification can be an effective treatment in some patients and can sometimes be combined with antiepileptic ...

Breaking out in a rash after exposure to sunlight is not uncommon – here’s what you need to know about sun allergy.