ArticleJournal of pharmaceutical health care and sciences2025
Risk factors for linezolid-associated hyponatremia focused on differences between intravenous and oral administration: a single-center, retrospective study.
Article in Journal of pharmaceutical health care and sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Antimicrobial-induced hyponatremia: pathophysiological mechanisms, implicated agents, and clinical management strategies.European journal of clinical pharmacology · 2026Review
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9 authors.
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Abstract
backgroundLinezolid (LZD)-associated hyponatremia is a rare side effect, and no reports have compared intravenous and oral administration in relation to the development of hyponatremia. This study aimed to identify risk factors for LZD-associated hyponatremia and to evaluate whether there are differences in the development of hyponatremia between intravenous and oral administration.
methodsWe conducted a retrospective study that included patients aged ≥ 20 years who received LZD of 1200 mg/day intravenously or orally at Kanazawa Medical University Hospital from January 2011 to December 2023. Patient information was retrospectively examined, and multiple logistic regression analysis was used to assess the risk of intravenous administration for hyponatremia. Additionally, propensity scores were calculated for the intravenous and oral administration groups, and these scores were subsequently used in a propensity score matching analysis.
resultsThis retrospective study revealed hyponatremia in 32 of 240 (13.3%) patients. Intravenous administration (OR = 17.137, 95% CI = 2.029-144.712, P = 0.009), serum sodium level before administration (OR = 0.626, 95% CI = 0.528-0.744, P < 0.001), and creatinine clearance (OR = 0.987, 95% CI = 0.975-0.999, P = 0.040) were identified as independent variables associated with hyponatremia. After propensity score matching, the incidence of LZD-associated hyponatremia was higher with intravenous administration than with oral administration (OR = 9.697, 95% CI = 1.153-81.545, P = 0.029).
conclusionsThis study identified intravenous administration as an independent risk factor for LZD-associated hyponatremia, and that the risk of hyponatremia was significantly higher with the intravenous administration compared with the oral administration. Patients with the identified risk factors should be administered intravenous LZD more cautiously and carefully monitored for serum sodium levels.
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