If you have a sun allergy, the outlook is usually very good, especially if you consistently use sunscreens and protective clothing. Most people with PMLE or actinic prurigo improve significantly within five to seven years after diagnosis, and almost everyone with photoallergic eruption can be cured by avoiding the specific chemical that triggers the sun allergy.
Of all forms of sun allergy, solar urticaria is the one that is most likely to be a long-term problem. However, in some people the condition eventually subsides.
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