Case Report

Published: Apr 21, 2025 | DOI: 10.24911/ejmcr.9-1624

"Antibiotic-Responsive" Drug Fever Due to the Patient’s Medication-Taking Behavior: A Case Report


Authors: Dr Daiki Yokokawa orcid logo , Dr Takanori Uehara orcid logo , Dr Yoshiyuki Ohira orcid logo , Dr Kazutaka Noda orcid logo , Dr Masatomi Ikusaka orcid logo


Article Info

Authors

Dr Daiki Yokokawa

Department of General Medicine, Chiba University Hospital, Chiba, Japan

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Dr Takanori Uehara

Department of General Medicine, Chiba University Hospital, Chiba, Japan

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Dr Yoshiyuki Ohira

Department of General Internal Medicine, St. Marianna University School of Medicine, Kawasaki, Japan

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Dr Kazutaka Noda

Department of General Medicine, Chiba University Hospital, Chiba, Japan

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Dr Masatomi Ikusaka

Department of General Medicine, Chiba University Hospital, Chiba, Japan

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Publication History

Received: December 06, 2024

Accepted: April 01, 2025

Published: April 21, 2025


Abstract


Background: Drug fever can complicate the diagnosis of recurrent fever, especially when multiple physicians are involved in treatment.


Case Presentation: We report the case of a 56-year-old man with recurrent fever responsive to antibiotics, initially suggesting a persistent bacterial infection. Detailed history-taking revealed that he discontinued minocycline, prescribed for rosacea dermatitis, when starting new antibiotics, and resumed it after the fever subsided. Eosinophilia and a clear improvement in the general condition between fevers led to the suspicion of drug fever. A rechallenge confirmed minocycline-induced fever.


Conclusion: This case emphasizes the importance of thoroughly reviewing medication history and patients’ medication-taking behavior when drug fever is suspected. 


Keywords: Minocycline, Drug fever, Medication-taking behavior


Pubmed Style

Dr Daiki Yokokawa, Dr Takanori Uehara, Dr Yoshiyuki Ohira, Dr Kazutaka Noda, Dr Masatomi Ikusaka. "Antibiotic-Responsive" Drug Fever Due to the Patient’s Medication-Taking Behavior: A Case Report. EJMCR. 2025; 21 (April 2025): -. doi:10.24911/ejmcr.9-1624

Web Style

Dr Daiki Yokokawa, Dr Takanori Uehara, Dr Yoshiyuki Ohira, Dr Kazutaka Noda, Dr Masatomi Ikusaka. "Antibiotic-Responsive" Drug Fever Due to the Patient’s Medication-Taking Behavior: A Case Report. https://ejmcr.com/index.php/articles/1624 [Access: April 25, 2025]. doi:10.24911/ejmcr.9-1624

AMA (American Medical Association) Style

Dr Daiki Yokokawa, Dr Takanori Uehara, Dr Yoshiyuki Ohira, Dr Kazutaka Noda, Dr Masatomi Ikusaka. "Antibiotic-Responsive" Drug Fever Due to the Patient’s Medication-Taking Behavior: A Case Report. EJMCR. 2025; 21 (April 2025): -. doi:10.24911/ejmcr.9-1624

Vancouver/ICMJE Style

Dr Daiki Yokokawa, Dr Takanori Uehara, Dr Yoshiyuki Ohira, Dr Kazutaka Noda, Dr Masatomi Ikusaka. "Antibiotic-Responsive" Drug Fever Due to the Patient’s Medication-Taking Behavior: A Case Report. EJMCR. (2025), [cited April 25, 2025]; 21 (April 2025): -. doi:10.24911/ejmcr.9-1624

Harvard Style

Dr Daiki Yokokawa, Dr Takanori Uehara, Dr Yoshiyuki Ohira, Dr Kazutaka Noda, Dr Masatomi Ikusaka (2025) "Antibiotic-Responsive" Drug Fever Due to the Patient’s Medication-Taking Behavior: A Case Report. EJMCR, 21 (April 2025): -. doi:10.24911/ejmcr.9-1624

Chicago Style

Dr Daiki Yokokawa, Dr Takanori Uehara, Dr Yoshiyuki Ohira, Dr Kazutaka Noda, Dr Masatomi Ikusaka. ""Antibiotic-Responsive" Drug Fever Due to the Patient’s Medication-Taking Behavior: A Case Report." 21 (2025), -. doi:10.24911/ejmcr.9-1624

MLA (The Modern Language Association) Style

Dr Daiki Yokokawa, Dr Takanori Uehara, Dr Yoshiyuki Ohira, Dr Kazutaka Noda, Dr Masatomi Ikusaka. ""Antibiotic-Responsive" Drug Fever Due to the Patient’s Medication-Taking Behavior: A Case Report." 21.April 2025 (2025), -. Print. doi:10.24911/ejmcr.9-1624

APA (American Psychological Association) Style

Dr Daiki Yokokawa, Dr Takanori Uehara, Dr Yoshiyuki Ohira, Dr Kazutaka Noda, Dr Masatomi Ikusaka (2025) "Antibiotic-Responsive" Drug Fever Due to the Patient’s Medication-Taking Behavior: A Case Report. , 21 (April 2025), -. doi:10.24911/ejmcr.9-1624