April 2021 in “Rheumatology” An 80-year-old man with COVID-19 also had constrictive pericarditis, possibly due to an autoimmune or immunoglobulin related disease, and improved after surgery.
49 citations
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May 2020 in “Frontiers in Public Health” Insulin resistance linked to obesity may increase COVID-19 severity.
21 citations
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February 2021 in “BMJ case reports” Anabolic steroid users may face higher risk of severe COVID-19.
September 2020 in “arXiv (Cornell University)” Some existing drugs and natural products might work against COVID-19 by targeting the virus's main protease.
Sex hormones likely did not affect COVID-19 outcomes in South Korea.
2 citations
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January 2024 in “European Journal of Case Reports in Internal Medicine” Beau's lines on fingernails might indicate past severe COVID-19 and risk of reinfection.
16 citations
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December 2020 in “International Journal of Clinical Practice” The pandemic changed how often certain skin conditions were diagnosed.
3 citations
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January 2025 in “Scientific Reports” Cepharanthine is safe but not effective in significantly reducing COVID-19 recovery time.
70 citations
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July 2020 in “Pharmacological Reports” Cepharanthine, a Japanese hair loss drug, shows promise as a COVID-19 treatment but needs more testing.
4 citations
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October 2020 in “Research Square (Research Square)” Hydroxychloroquine, nitazoxanide, and ivermectin were similarly effective in treating early COVID-19.
14 citations
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June 2023 in “Journal of Infection and Public Health” Vaccinated healthcare workers rarely experience long COVID-19 symptoms.
January 2026 in “Archives of Dermatological Research” Severe COVID-19 increases the risk of hair loss.
25 citations
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January 2022 in “Endocrine journal” Long COVID patients may have hormonal imbalances linked to their symptoms.
5 citations
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October 2022 in “Cureus” Older, obese people with many COVID-19 symptoms are more likely to suffer from severe long-term COVID-19 effects.
January 2025 in “Updates in clinical dermatology” COVID-19 and its vaccine can cause skin issues, but most are minor and resolve on their own.
12 citations
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December 2021 in “Frontiers in Medicine” Some patients on immunosuppressants had a weaker immune response to the Sinovac-CoronaVac COVID-19 vaccine.
6 citations
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May 2022 in “Frontiers in Medicine” The study suggests pandemic stress might worsen or trigger hair loss problems.
2 citations
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May 2025 in “Frontiers in Epidemiology” Standardized definitions and better methods are needed to accurately estimate long COVID-19 prevalence.
August 2025 in “Majalah Obstetri & Ginekologi” Vaccination helps reduce long COVID symptoms in women with PCOS.
Hair loss can happen after both mild and severe COVID-19, and areas with more COVID-19 cases may see more hair loss cases.
10 citations
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January 2023 in “SAGE Open Medical Case Reports” COVID-19 infection and vaccination may trigger hair loss and rapid hair whitening.
2 citations
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February 2023 in “Vaccines” Some people experienced hair loss after COVID-19 vaccination, but it's very rare and vaccines' benefits are greater than this risk.
November 2025 in “Cureus” COVID-19 vaccines caused mostly mild side effects in Bangladeshi medical students, with fewer issues after more doses.
April 2023 in “Journal of Investigative Dermatology” People who had severe COVID-19 are more likely to experience hair loss.
3 citations
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January 2023 in “Skin appendage disorders” Some people with a history of autoimmune hair loss experienced worsening symptoms after COVID-19 vaccination.
2 citations
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January 2023 in “Dermatology practical & conceptual” COVID-19 diagnosis is linked to new or worsening hair diseases, with stress from the pandemic likely contributing.
March 2024 in “International journal of research in medical sciences” Dr. SKS hair booster serum effectively treats hair loss caused by COVID-19.
COVID-19 can cause hair loss and nail issues, with treatments available for these conditions.
COVID-19 can cause long-term lung, skin, and mental health problems, especially in women, people with other health issues, and those who had severe COVID-19.
May 2022 in “Acta Scientific Women's Health” A woman lost over 80% of her hair due to a condition called telogen effluvium after having COVID-19.