Korean J Med > Volume 100(5); 2025 > Article
Infectious disease
The Korean Journal of Medicine 2025;100(5):263-267.
Published online October 1, 2025.
DOI: https://doi.org/10.3904/kjm.2025.100.5.263   
Factitious Fever Presenting as Fever of Unknown Origin in a Young Woman: A Case Report
Saemna Lee, In Seon Kim, Ji Yun Noh, Joon Young Song, Hee Jin Cheong, Woo Joo Kim
Division of Infectious Diseases, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
젊은 여성에서 불명 열의 형태로 나타난 인위열 1예
이샘나, 김인선, 노지윤, 송준영, 정희진, 김우주
고려대학교 의과대학 내과학교실 감염내과
Correspondence: 
Woo Joo Kim, Tel: +82-2-262-1105, Fax: +82-2-2626-1105, Email: wjkim@korea.ac.kr
Received: 19 July 2024   • Accepted: 21 December 2024
Abstract
A 23-year-old woman presented with refractory anemia and a 1-month history of relapsing fever. The patient had been followed up at another hospital for fever of unknown origin and refractory anemia for 2 years. Upon admission to our hospital, repeated body temperature measurements and a nurse’s inspection revealed that the patient had been artificially heating the external auditory canal where the temperature was measured to simulate fever. No temperatures exceeding 38℃ were recorded after the nursing staff removed objects capable of altering measurements, confirming factitious fever as the cause. We report this case to highlight the importance to clinicians who care for patients with fever of unknown origin despite careful and appropriate evaluation.
Key Words: Fever of unknown origin; Heating; Relapsing fever; Anemia, refractory
주제어: 불명 열; 가열; 재발열; 난치성 빈혈


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