October 2025 in “Dermatology and Therapy” This study reviewed the literature on atopic dermatitis and found a strong connection with several other skin conditions, such as psoriasis and alopecia areata, while highlighting potential treatments like JAK inhibitors and dupilumab that show promise for these comorbidities.
2 citations
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May 2025 in “Journal of Clinical Medicine” This study reported that in a case series of three adolescents with alopecia areata and atopic dermatitis, treatment with 15 mg/day of upadacitinib led to rapid improvement in skin symptoms and significant hair regrowth over 12 months, with no severe adverse events observed.
September 2022 in “Dermatology and therapy” This review discusses the pathological factors and comorbidities associated with androgenetic alopecia and reports no new clinical results, emphasizing the need for improved understanding and treatment in clinical practice.
April 2026 in “Frontiers in Immunology” In this study, researchers did not find any genome-wide significant genetic signals linked to comorbid chronic inflammatory disorders in patients with alopecia areata, but exploratory analysis suggested potential associations worth further study.
February 2026 in “Boletín Médico del Hospital Infantil de México” This study suggests pediatric patients with alopecia areata may benefit from screening for atopic, autoimmune, and psychiatric comorbidities to enable timely identification and treatment.
April 2026 in “Boletín Médico Del Hospital Infantil de México (English Edition)” This study found that 90% of pediatric patients with alopecia areata had comorbidities, including allergic rhinitis and atopic dermatitis, with localized AA being associated with better treatment outcomes and fewer relapses compared to non-localized forms.
11 citations
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November 2021 in “BMJ Open” This study reviews the epidemiology of alopecia areata in the UK, focusing on its links to mental health comorbidities, autoimmune/atopic associations, and common infection incidences.
100 citations
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July 2018 in “Journal of The American Academy of Dermatology” This study found that alopecia areata is linked with a higher prevalence of systemic and psychiatric diseases, suggesting that physicians should monitor for these potential comorbidities.
4 citations
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January 2025 in “JAAD reviews.” This literature review found that pediatric patients with vitiligo may have increased risks of conditions such as atopic dermatitis, alopecia areata, autoimmune thyroid disease, and psychiatric disorders, impacting their quality of life. Screening should consider these risks for effective management.
1 citations
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July 2021 in “Journal of the American Academy of Dermatology” Hospitalizations for atopic dermatitis are more due to other health issues now, not the condition itself.
November 2023 in “International Journal of Dermatology” In this study, CCCA patients were found to have higher odds of metabolic, autoimmune, atopic, and psychiatric comorbidities compared to matched controls.
35 citations
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November 2022 in “The Journal of Dermatology” This study found that the prevalence of alopecia areata in Japan increased from 2012 to 2019, with allergic diseases as common comorbidities and a need for more effective treatments, particularly for severe and pediatric cases.
1 citations
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October 2023 in “British journal of dermatology/British journal of dermatology, Supplement” This study found that, in Germany between 2016 and 2020, alopecia areata had an annual prevalence of 210 cases per 100,000 and an incidence of 72 cases per 100,000, with higher rates in specific regions and associated with comorbidities like atopic dermatitis and psoriasis.
July 2023 in “Health science reports” In this study, researchers examined the prevalence of comorbid conditions among 402 alopecia areata patients, finding that hypothyroidism was notably more frequent in women, while hyperlipidemia was more common in men, with overall thyroid function testing suggested for these patients.
April 2023 in “Journal of Investigative Dermatology” In this systematic review, researchers found that individuals with lichen sclerosus have a higher prevalence of comorbidities like vitiligo, alopecia areata, and cardiovascular diseases compared to non-affected controls, and suggest screening all LS patients for cardiovascular risk factors and other diseases.
1 citations
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August 2025 in “Acta Dermato Venereologica” This study found that from 1990 to 2021, the global age-standardized prevalence, incidence, and years lived with disability of alopecia areata decreased, with females being more affected, and highlighted the importance of addressing psychological disorders in children with alopecia areata under age 14.
5 citations
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October 2021 in “Scientific Reports” This study suggests that certain climate factors, particularly UV index and precipitation, may influence seasonal flare patterns in children with alopecia areata, especially those with atopic conditions.
9 citations
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November 2018 in “Dermatologic Clinics” This review highlights recent literature on comorbidities in dermatologic diseases, emphasizing the need for further research into connections between atopic dermatitis and pancreatic cancer, and pemphigus diseases and COPD, but it reports no new clinical results.
November 2024 in “SKIN The Journal of Cutaneous Medicine” In this observational study, researchers examined U.S. and Canadian patients with alopecia areata and found that while comorbid anxiety/depression correlated with increased patient-reported disease severity, other comorbidities like atopic dermatitis and vitiligo showed no statistically significant differences in clinician-reported AA severity or hair involvement.
10 citations
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March 2023 in “Journal of Managed Care & Specialty Pharmacy” This study found that patients with alopecia areata had similar total health care costs as those with atopic dermatitis, despite having fewer comorbidities and prescription medications overall.
2 citations
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January 2025 in “Allergy” This study found that alopecia areata patients in Central Europe with comorbid chronic inflammatory disorders, especially atopic dermatitis, bronchial asthma, or Hashimoto's thyroiditis, had an increased likelihood of experiencing early-onset, severe, or prolonged disease compared to those without such comorbidities.
1 citations
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September 2021 in “DOAJ (DOAJ: Directory of Open Access Journals)” This study suggests that female patients with alopecia areata, especially those with nail abnormalities and atopic diseases, have a higher prevalence of autoimmune disease comorbidities.
November 2024 in “Thrombosis Journal” This review highlights potential links between inflammatory skin diseases like psoriasis and atopic dermatitis and hypercoagulable states, but notes that more research is needed to understand these connections and their clinical implications.
36 citations
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November 2018 in “American Journal of Clinical Dermatology” This review discusses the significant burden of disease and psychosocial implications associated with alopecia, highlighting its comorbidities and the impact on quality of life despite being viewed traditionally as an aesthetic concern, but reports no clinical results.
April 2026 in “Journal of Inflammation Research” This narrative review highlights the shared immunopathogenesis of alopecia areata and atopic dermatitis and discusses approved and investigational therapies that target common pathways, suggesting a future for personalized treatment strategies.
1 citations
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June 2025 in “Journal of Patient Experience” This study found that Finnish individuals with alopecia areata, especially those with significant hair loss, reported reduced well-being and significant comorbidities, highlighting unmet needs for treatment and professional support.
April 2024 in “Indian Journal of Paediatric Dermatology” This study in Singapore found that alopecia areata generally does not significantly impact the quality of life for pediatric patients and their families, with better outcomes observed in those with comorbidities like allergic rhinitis.
October 2023 in “Revista Medicina Cutánea Ibero-Latino-Americana” In a study conducted on 257 Latin American patients with alopecia areata, researchers found that the most frequent lesion location was the scalp, affecting 86.1% of participants, and reported multiple associated comorbidities, notably cardiovascular and endocrine diseases, with certain conditions being more common in women.
May 2020 in “International journal of biology, pharmacy and allied sciences” This review discusses the correlation between vitiligo and various autoimmune, systemic, and dermatological diseases, highlighting the need to increase awareness of these comorbidities.
34 citations
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November 2022 in “Clinical and Experimental Dermatology” This study found that individuals with AA have a higher incidence of atopic and autoimmune conditions, suggesting both Th1 and Th2 immune responses may play a role in its development.