The cause for<unk>  is unknown, however researchers believe that protein in our bodies may be a cause to the condition also: •UV-A and UV-B light seem to be the main provoking agents. This observation is supported by the fact that most patients live at high altitudes (>1000 m above sea level), and the condition improves in many patients when they move to lower altitudes. However, some patients who are affected already live at sea level.18,19,27 •Some authors are considering a food photosensitizer or a nutritional selective deficiency as a cause; however, no evidence proves this theory.27
Actinic prurigo
Eczema vaccinatum
Alopecia mucinosa
Molluscum dermatitis
Livedoid dermatitis
Lichen nitidus
Abietic acid dermatitis
Ichthyosis acquisita