Chinese Journal of Pharmacovigilance ›› 2025, Vol. 22 ›› Issue (11): 1292-1295.
DOI: 10.19803/j.1672-8629.20240893

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Pharmacological Care of a Patient with Lactic Acidosis Caused by Linezolid Injection

LI Juan1, WANG Heng1, PENG Xi2, YUAN Yong2, YANG Xinhui2, LI Yongle3, ZHANG Xuanming4, ZHANG Zhigang4, YANG Jing2*   

  1. 1College of Pharmacy, Shihezi University, Shihezi Xinjiang 832002, China;
    2Department of Pharmacy, the First Affiliated Hospital of Shihezi University, Shihezi Xinjiang 832008, China;
    3Department of Urinary Surgery, the First Affiliated Hospital of Shihezi University, Shihezi Xinjiang 832008, China;
    4Department of Traditional Chinese Medicine, the First Affiliated Hospital of Shihezi University, Shihezi Xinjiang 832008, China
  • Received:2024-11-18 Online:2025-11-15 Published:2025-11-14

Abstract: Objective To study one case of lactic acidosis caused by Enterococcus faecium infection following treatment with linezolid. Methods One patient with renal insufficiency developed lactic acidosis after treatment with linezolid. Clinical pharmacists gave the clinicians advice on the treatment regimen via therapeutic drug monitoring(TDM) and based on the pharmacokinetics of linezolid as well as literature review. Results Lactic acidosis was believed to have been caused by linezolid,so a new treatment was adopted. The patient was cured of the infection, adverse reactions resolved, and the patient was discharged. Conclusion The use of linezolid in patients with renal insufficiency should start with an individualized dose, which is then dynamically adjusted according to TDM. Clinicians need to be alert to linezolid-induced lactic acidosis. Both non-specific clinical manifestations and levels of lactate have to be monitored.

Key words: Linezolid Injection, Renal Insufficiency, Enterococcus Faecium, Lactic Acidosis, Therapeutic Drug Monitoring

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