32 citations
,
July 2021 in “Journal of The American Academy of Dermatology” Hair loss from COVID-19 usually starts around 45 days after infection and lasts about 47.5 days.
1250 citations
,
August 2021 in “Scientific Reports” COVID-19 leaves 80% of patients with long-term symptoms like fatigue and headaches.
16 citations
,
January 2016 in “Journal of Investigative Dermatology” Mice without the IL-6 gene had more hair growth after injury due to higher activity of a related protein, Stat3.
15 citations
,
August 2021 in “Reviews in endocrine and metabolic disorders” COVID-19 and hypopituitarism (reduced pituitary gland function) are linked, with the latter's related health issues potentially worsening COVID-19 outcomes, and COVID-19 possibly increasing risk for pituitary complications.
11 citations
,
March 2013 in “Gene” A certain genetic variation in the IL1A gene may lower the risk of a hair loss condition in Chinese people.
3 citations
,
May 2020 in “JAAD Case Reports” Two patients with psoriasis grew extra hair after using certain psoriasis medications.
October 2024 in “South Eastern European Journal of Public Health” A 3-month treatment improved PCOS symptoms and reduced certain immune proteins.
December 2023 in “Curēus” COVID-19 vaccination does not significantly increase the risk of developing alopecia areata.
October 2021 in “Dermatology Reports” Higher IL-17A levels indicate more severe alopecia areata.
March 2026 in “European journal of ecology, biology and agriculture.” Patients with alopecia areata have higher levels of certain immune markers, suggesting new treatment targets.
185 citations
,
August 2020 in “Mayo Clinic Proceedings” Men are more likely to have severe COVID-19 cases and fatalities than women due to factors like lifestyle, aging, and biological differences.
139 citations
,
December 2020 in “Cell Stem Cell” Male hormones affect COVID-19 severity and certain drugs targeting these hormones could help reduce the risk.
101 citations
,
July 2020 in “Dermatologic therapy” COVID-19 can cause skin issues like rashes and "COVID toes," and people with skin conditions should adjust their treatments if they get the virus.
53 citations
,
April 2021 in “Cell Host & Microbe” Skin bacteria, specifically Staphylococcus aureus, help in wound healing and hair growth by using IL-1β signaling. Using antibiotics on skin wounds can slow down this natural healing process.
47 citations
,
January 2021 in “Fertility and Sterility” COVID-19 might affect male fertility, but more research is needed to understand the full impact.
27 citations
,
March 2012 in “Dermatologic Surgery” Higher caspase-1 levels found in balding scalps; reducing it may help treat hair loss.
24 citations
,
February 2021 in “Dermatology and Therapy” COVID-19 increased alopecia areata relapses due to inflammation and stress.
23 citations
,
February 2021 in “Journal of Endocrinological Investigation” Betacoronaviruses, like COVID-19, may cause hormone system dysfunction and affect disease susceptibility and severity.
18 citations
,
March 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Estrogen increases blood vessel growth factor production, while testosterone blocks this increase.
17 citations
,
May 2021 in “Journal of Assisted Reproduction and Genetics” COVID-19 may harm male fertility and damage the reproductive system.
14 citations
,
January 2020 in “Advances in Dermatology and Allergology” Higher interleukin-15 levels are linked to more severe alopecia areata, but not to age or gender.
12 citations
,
November 2022 in “Archives of Dermatological Research” COVID-19 can directly trigger certain skin conditions like pustular dermatoses due to an inflammatory response.
12 citations
,
January 2020 in “touchREVIEWS in Endocrinology” Testosterone may both worsen and protect against COVID-19 effects in men.
11 citations
,
May 2021 in “Journal of The American Academy of Dermatology” COVID-19 doesn't make alopecia areata worse.
9 citations
,
May 2021 in “Dermatologic Therapy” Possible link between androgens and COVID-19 severity; more research needed.
8 citations
,
May 2022 in “Journal of medicine and life” COVID-19 patients may experience hair loss, but it's not linked to their age or sex.
6 citations
,
December 2020 in “Dermatological reviews” COVID-19 may worsen with androgens; anti-androgen drugs could help.
4 citations
,
July 2013 in “Journal of Dermatological Science” Pregnancy right after giving birth in mice lacking IL-10 causes milk that leads to liver issues and hair loss in their babies.
2 citations
,
December 2020 in “Endocrinology, diabetes & metabolism case reports” A man with hypoparathyroidism had other health issues that led to a diagnosis of a rare autoimmune disorder, APS-1.
1 citations
,
September 2025 in “Dermatology and Therapy” GLP-1 RAs help with diabetes and skin issues but can cause skin reactions and surgery challenges.