What are the signs and symptoms of lichen planus?

Updated: Feb 24, 2020
  • Author: Tsu-Yi Chuang, MD, MPH, FAAD; Chief Editor: William D James, MD  more...
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The following may be noted in the patient history:

  • Lesions initially developing on flexural surfaces of the limbs, with a generalized eruption developing after a week or more and maximal spreading within 2-16 weeks

  • Pruritus of varying severity, depending on the type of lesion and the extent of involvement

  • Oral lesions that may be asymptomatic, burning, or even painful

  • In cutaneous disease, lesions typically resolve within 6 months (>50%) to 18 months (85%); chronic disease is more likely oral lichen planus or with large, annular, hypertrophic lesions and mucous membrane involvement

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