A Case of Caffeine Intoxication in which the Theophylline Level Served as an Indicator of the Treatment Course and the Caffeine Level could be Measured

Naoyuki Yoshimine; Nobuyuki Oba; Chika Hasegawa; Nanako Inoue; Hideki Nagumo; Makoto Arashiyama; Shinya Orihara; Shintaro Takahashi; Mitsuko Inuyama; Shuta Nishinakagawa

doi:10.2169/internalmedicine.4997-24

Naoyuki Yoshimine, Nobuyuki Oba, Chika Hasegawa, Nanako Inoue, Hideki Nagumo, Makoto Arashiyama, Shinya Orihara, Shintaro Takahashi, Mitsuko Inuyama, Shuta Nishinakagawa

Author information

Naoyuki Yoshimine
Department of Gastroenterology, Tokyo Rosai Hospital, Japan Organization of Occupational Health and Safety, Japan
Nobuyuki Oba
Department of Gastroenterology, Tokyo Rosai Hospital, Japan Organization of Occupational Health and Safety, Japan
Chika Hasegawa
Department of Legal Medicine, Faculty of Medicine, Toho University, Japan
Nanako Inoue
Department of Gastroenterology, Tokyo Rosai Hospital, Japan Organization of Occupational Health and Safety, Japan
Hideki Nagumo
Department of Gastroenterology, Tokyo Rosai Hospital, Japan Organization of Occupational Health and Safety, Japan
Makoto Arashiyama
Department of Gastroenterology, Tokyo Rosai Hospital, Japan Organization of Occupational Health and Safety, Japan
Shinya Orihara
Department of Gastroenterology, Tokyo Rosai Hospital, Japan Organization of Occupational Health and Safety, Japan
Shintaro Takahashi
Department of Gastroenterology, Tokyo Rosai Hospital, Japan Organization of Occupational Health and Safety, Japan
Mitsuko Inuyama
Department of Gastroenterology, Tokyo Rosai Hospital, Japan Organization of Occupational Health and Safety, Japan
Shuta Nishinakagawa
Department of Gastroenterology, Tokyo Rosai Hospital, Japan Organization of Occupational Health and Safety, Japan

Keywords: caffeine, toxicity, monitoring

JOURNAL OPEN ACCESS Advance online publication

Article ID: 4997-24

DOI https://doi.org/10.2169/internalmedicine.4997-24

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