March 2022 in “Wound practice & research” New treatments for alopecia areata show promise, but standardized guidelines are needed.
December 2022 in “Pakistan Armed Forces Medical Journal” Androgenetic alopecia may increase the severity of COVID-19.
29 citations
,
December 2017 in “International Journal of Dermatology” People with alopecia areata often have lower vitamin D levels, which are linked to more severe and longer-lasting hair loss, but vitamin D receptor levels in the skin don't show the same pattern and don't predict treatment success.
January 2011 in “Guangdong Medical Journal” Low Vitamin D receptor levels in hair follicles may contribute to alopecia areata.
14 citations
,
April 2021 in “Clinical, Cosmetic and Investigational Dermatology” COVID-19 may trigger sudden temporary hair loss.
2 citations
,
December 2023 in “International Journal of Dermatology” A unique type of hair loss mimics another condition but has minimal inflammation and specific immune cells present.
January 2012 in “Yearbook of Dermatology and Dermatologic Surgery” Alopecia areata is a hair loss condition that often starts before age 30 and can affect various body parts, with unpredictable hair regrowth chances.
COVID-19 infection and vaccination are linked to hair loss, especially in women and those with nutritional deficiencies.
35 citations
,
June 2011 in “British Journal of Dermatology” The DQB1*03 allele is linked to higher alopecia areata risk in Italians.
8 citations
,
March 2017 in “Experimental Dermatology” Finasteride helps female-pattern hair loss.
12 citations
,
January 2016 in “Journal of Clinical and Investigative Dermatology” Low vitamin D levels are common in people with Alopecia Areata.
2 citations
,
July 2021 in “Dermatologic Therapy” A woman's hair loss after COVID-19 was likely due to a mix of pressure-induced alopecia and acute telogen effluvium.
August 2022 in “Contact dermatitis” Severe allergic reactions to hair dye can trigger hair loss and may be linked to multiple sclerosis.
1 citations
,
June 2022 in “PubMed” Alopecia causes hair loss and should be treated early, especially scarring types where hair cannot regrow.
June 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” In alopecia areata, certain immune cells increase and express a protein linked to immune activation.
October 2025 in “Diagnostics” Temporal triangular alopecia is a harmless, non-progressive hair loss condition.
3 citations
,
December 2010 in “Annals of tropical paediatrics” A boy's hair loss and bone issues improved with specific vitamin D treatment and calcium.
January 2020 in “Revista da Sociedade Portuguesa de Dermatologia e Venereologia” Frontal fibrosing alopecia in Brazil mostly affects postmenopausal women, often linked with hypothyroidism and eyebrow hair loss.
1 citations
,
September 2021 in “DOAJ (DOAJ: Directory of Open Access Journals)” Alopecia areata patients often have other autoimmune diseases, especially women with nail issues or atopic diseases.
April 2023 in “Journal of Dermatological Treatment” Tofacitinib helped regrow hair in a teen with a unique pattern of alopecia areata.
2 citations
,
May 2017 in “Journal of the American Academy of Dermatology”
27 citations
,
December 2020 in “Experimental Dermatology” Grey hair and baldness may be linked to COVID-19 severity, but more analysis is needed; post-infectious hair loss is related to the severity of the disease and usually recovers within 3-6 months.
Accurate diagnosis of hair loss types is crucial for effective treatment.
3 citations
,
August 2024 in “Cureus” Upadacitinib may cause hair loss.
September 2021 in “Journal of The American Academy of Dermatology” COVID-19 patients often experience temporary hair loss and scalp pain.
17 citations
,
January 2015 in “International Journal of Trichology” Frontal fibrosing alopecia may affect nails and could be a type of lichen planus, treatable with certain medications.
9 citations
,
November 2004 in “SKINmed Dermatology for the Clinician” A man with hair loss developed a condition causing scarring and inflammation in both bald and non-bald areas of his scalp.
February 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” JAK inhibitors may help treat alopecia areata by reversing hair loss.
December 2023 in “PubMed” COVID-19 patients in Thailand typically started losing hair about 30 days after infection, with women experiencing more severe hair loss.
162 citations
,
October 2014 in “Autoimmunity reviews” Alopecia areata is caused by the immune system attacking hair follicles.