Key points

• PLE can improve over the years. This improvement may be spontaneous, or partly due to repeated prophylactic phototherapy.

• Narrow-band UVB and PUVA are similarly effective in preventing episodes of PLE.

• Oral prednisolone has a small or modest beneficial effect in PLE.

• Is not clear whether topical corticosteroids are of help.

• HLA typing may occasionally be helpful in classifying a photodermatosis with features of both PLE and actinic prurigo.

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