How is polymorphous light eruption (PMLE) prevented?

Updated: Jan 22, 2020
  • Author: Saud A Alobaida, MBBS, FRCPC; Chief Editor: Dirk M Elston, MD  more...
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Answer

Avoiding sunlight during the hours of most intense UV irradiation (from 10 am to 2 pm) and wearing protective clothing (eg, hats, gloves, long pants, long sleeves) should be emphasized to polymorphous light eruption (PMLE) patients. Blue denim clothing is particularly beneficial in terms of sun protection. Wide-spectrum sunscreens with a high SPF and UVA protection should be applied and reapplied during the day. The inclusion of both ecamsule and avobenzone in one preparation of sunscreen provides clinical benefit to patients with PMLE compared with sunscreens containing either ecamsule or avobenzone alone; each UVA filter individually. [48]


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