How is psoralen plus UV-A used to treat alopecia areata?

Updated: Aug 06, 2020
  • Author: Chantal Bolduc, MD, FRCPC; Chief Editor: Dirk M Elston, MD  more...
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Psoralen plus UV-A

  • Both systemic and topical PUVA therapies have been used

  • 20-40 treatments usually are sufficient in most cases

  • Most patients relapse within a few months (mean, 4-8 months) after treatment is stopped

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