Alopecia and COVID-19: Possible Etiopathogenetic Variants and Therapeutic Approach

    Inna A. Gritskova, I G Kurganskaya, Irina V. Cherkashina
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    TLDR COVID-19 may cause hair loss, often after recovery, with androgenetic alopecia being the most common type.
    The document explores the link between COVID-19 and hair loss, specifically alopecia. It reveals that 19.8% of patients experienced telogen hair loss, with 27.3% experiencing hair loss during the illness and 72.7% between the 3rd and 6th month after recovery. The hair loss is often non-structural, linked to an abnormal ovulatory cycle shift and diffuse asynchronous loss of hair follicles in the telogen phase. The most common type of hair loss post-COVID is androgenetic alopecia, followed by diffuse alopecia. Cases of alopecia areata and cicatricial alopecia associated with previous COVID-19 were also reported. The authors analyze potential causes and mechanisms of hair loss related to COVID-19, and recommend necessary examinations based on their scientific analysis of various literature sources.
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