Hair loss is one of the most common post-covid symptoms observed during this severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic. Pro-inflammatory cytokines, direct viral effect on hair follicles, and microthrombi are thought to be the pathogenic factors considered. Information regarding time of onset and severity is similar to other infection-induced acute telogen effluvium. It is reasonable to think that the evolution and prognosis are similar, and therefore, even without any specific treatment, full recovery of lost hair is expected.
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Arun C. Inamadar (2022) studied this question.
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