What are the adverse effects of anthralin in the treatment of alopecia areata?

Updated: Aug 06, 2020
  • Author: Chantal Bolduc, MD, FRCPC; Chief Editor: Dirk M Elston, MD  more...
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Adverse effects include pruritus, erythema, scaling folliculitis, local pyoderma, and regional lymphadenopathy. Withholding treatment for a few days results in rapid disappearance of adverse effects. Treatment then can be reinstituted, but anthralin should be left on for shorter periods. Staining of clothes and skin can be a concern.

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