Alergologia Polska - Polish Journal of Allergology
eISSN: 2391-6052
ISSN: 2353-3854
Alergologia Polska - Polish Journal of Allergology
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3/2025
vol. 12
 
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abstract:
Case report

Early and late allergic reactions limited to adalimumab injection sites in a patient with severe plaque psoriasis

Aleksander Obtułowicz
1
,
Daryna Barouka
2
,
Dominika Kapusta
2
,
Norbert Kapczyński
2
,
Marta Lato
1
,
Andrzej Jaworek
1
,
Bartosz Obtułowicz
2
,
Anna Wojas-Pelc
1

  1. Department of Dermatology, Jagiellonian University Medical College, Krakow, Poland
  2. Students’ Dermatology Research Association, Jagiellonian University Medical College, Krakow, Poland
Alergologia Polska – Polish Journal of Allergology 2025; 12, 3: 227–231
Online publish date: 2025/08/20
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Tumor necrosis factor-α (TNF-α) inhibitors, such as adalimumab, are widely used for the treatment of various inflammatory diseases, including psoriasis. Injection site reactions (ISRs) are common side effects, typically mild and self-limiting. Nevertheless, in some cases, ISRs may persist or evolve into more severe hypersensitivity reactions, requiring discontinuation or a change of the therapy. We present the case of a 40-year-old woman with plaque psoriasis who developed progressive ISRs and recall reactions during adalimumab therapy. Allergological diagnostics confirmed a delayed-type hypersensitivity reaction. Transitioning to an IL-12/IL-23 inhibitor resulted in clinical improvement, highlighting the importance of allergological testing and alternative biologic therapies.
keywords:

adalimumab, injection site reaction, recall reaction, delayed hypersensitivity, plaque psoriasis



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