What is the significance of rash in patients with erythema infectiosum (fifth disease)?

Updated: Mar 06, 2020
  • Author: Glenn L Zellman, MD; Chief Editor: Dirk M Elston, MD  more...
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The rash of erythema infectiosum usually is self-resolving but may last several weeks or months with exacerbations from heat or sunlight. The onset of erythema infectiosum rash usually indicates that reticulocytosis has returned and aplastic crisis will not occur.

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