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MEDLINE\/PubMed and Embase databases were queried till October 2021 to identify studies reporting acute TE occurring after COVID\u201019 recovery. Data were obtained from 19 studies, which included 465 patients who were diagnosed with acute TE. The median age of these patients was 44 years and 67.5% were females. The most common trichoscopic findings were decreased hair density, the presence of empty follicles, or short regrowing hair. The mean duration from COVID\u201019 symptom onset to the appearance of acute TE was 74 days, which is earlier than classic acute TE. Most patients recovered from hair loss, while a few patients had persistent hair fall. Our results highlight the need to consider the possibility of post\u2010COVID\u201019 acute TE in patients presenting with hair fall, with a history of COVID\u201019 infection, in the context of COVID\u201019 pandemic. Despite being a self\u2010limiting condition, hair loss post\u2010COVID\u201019 is a stressful manifestation. Identifying COVID\u201019 infection as a potential cause of acute TE will help the clinicians counsel the patients, relieving them from undue stress.<\/jats:p>","DOI":"10.1002\/jmv.27534","type":"journal-article","created":{"date-parts":[[2021,12,21]],"date-time":"2021-12-21T04:33:30Z","timestamp":1640061210000},"page":"1391-1401","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":42,"title":["A systematic review of acute telogen effluvium, a harrowing post\u2010COVID\u201019 manifestation"],"prefix":"10.1002","volume":"94","author":[{"given":"Nabeel","family":"Hussain","sequence":"first","affiliation":[{"name":"Saba University School of Medicine  The Bottom The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Preeti","family":"Agarwala","sequence":"additional","affiliation":[{"name":"Rajshahi Medical College and Hospital  Rajshahi 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