{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,28]],"date-time":"2025-11-28T09:10:25Z","timestamp":1764321025020,"version":"3.46.0"},"reference-count":18,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2025,11,28]],"date-time":"2025-11-28T00:00:00Z","timestamp":1764288000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100009687","name":"Wroclaw Medical University","doi-asserted-by":"publisher","award":["SUBZ.A510.25.056"],"award-info":[{"award-number":["SUBZ.A510.25.056"]}],"id":[{"id":"10.13039\/501100009687","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinics and Practice"],"abstract":"<jats:p>Background: Adverse reactions to tattoo pigments are increasingly recognized, yet severe systemic complications remain rare and poorly characterized. Red tattoo ink, in particular, is associated with delayed hypersensitivity reactions, but widespread manifestations affecting multiple organ systems have not been documented. This case report aims to describe an unusual constellation of erythroderma, alopecia universalis, anhidrosis, and vitiligo triggered by red tattoo ink and to highlight the diagnostic and therapeutic challenges associated with such reactions. Case presentation: This case report describes a 36-year-old Caucasian male who developed erythroderma, alopecia, anhidrosis, and vitiligo as complications of a red ink tattoo, marking a rare and previously unreported case of such extensive reactions. Four months after getting the tattoo, the patient began to develop itchy eczematous changes, which progressed to erythroderma over several months, along with alopecia universalis and anhidrosis. Results: After months of ineffective treatment with glucocorticosteroids, cyclosporine, methotrexate, and acitretin, patch tests confirmed hypersensitivity to possible components of the red tattoo ink, prompting surgical removal of the inflamed tattoo fragments. Unfortunately, aside from resolving the erythroderma, this did not improve the patient\u2019s clinical condition, and he developed vitiligo. Only after the complete removal of the red tattoo ink from the same series that caused the sensitization and the use of immunosuppressive and immunomodulatory drugs, including JAK inhibitors, was hair growth restored and the progression of vitiligo halted, but with no effect on anhidrosis. Conclusions: This case highlights the challenges in managing systemic reactions to tattoo ink and the importance of thorough evaluation and treatment strategies.<\/jats:p>","DOI":"10.3390\/clinpract15120224","type":"journal-article","created":{"date-parts":[[2025,11,28]],"date-time":"2025-11-28T08:26:57Z","timestamp":1764318417000},"page":"224","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Erythroderma, Alopecia, Anhidrosis, and Vitiligo as Complications of a Red Ink Tattoo\u2014A Case Report"],"prefix":"10.3390","volume":"15","author":[{"given":"Mateusz K.","family":"Mateuszczyk","sequence":"first","affiliation":[{"name":"University Centre of General Dermatology and Oncodermatology, Wroclaw Medical University, 50-556 Wroclaw, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9622-1593","authenticated-orcid":false,"given":"Magdalena","family":"\u0141yko","sequence":"additional","affiliation":[{"name":"University Centre of General Dermatology and Oncodermatology, Wroclaw Medical University, 50-556 Wroclaw, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrzej","family":"Bieniek","sequence":"additional","affiliation":[{"name":"University Centre of General Dermatology and Oncodermatology, Wroclaw Medical University, 50-556 Wroclaw, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joanna","family":"Maj","sequence":"additional","affiliation":[{"name":"University Centre of General Dermatology and Oncodermatology, Wroclaw Medical University, 50-556 Wroclaw, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4944-5388","authenticated-orcid":false,"given":"Alina","family":"Jankowska-Konsur","sequence":"additional","affiliation":[{"name":"University Centre of General Dermatology and Oncodermatology, Wroclaw Medical University, 50-556 Wroclaw, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,11,28]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"e42158","DOI":"10.2196\/42158","article-title":"Development and Validation of the Epidemiological Tattoo Assessment Tool to Assess Ink Exposure and Related Factors in Tattooed Populations for Medical Research: Cross-sectional Validation Study","volume":"7","author":"Foerster","year":"2023","journal-title":"JMIR Form. 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