Decreased serum linezolid levels in a critically ill patient receiving concomitant linezolid and rifampin.

Abstract:

:Serious gram-positive infections present an increasingly common therapeutic dilemma. Combination antimicrobial regimens (e.g., linezolid with rifampin) aimed at improving bacterial eradication and preventing resistance are often used; however, most data supporting this treatment strategy are not from randomized controlled trials. We describe a patient with disseminated community-acquired methicillin-resistant Staphylococcus aureus infection who experienced a possible drug interaction between linezolid and rifampin that resulted in decreased serum linezolid levels. To our knowledge, this is the first published report of a possible drug interaction in a critically ill patient receiving concomitant linezolid and rifampin. Although we hypothesize that the reaction was caused by P-glycoprotein expression, further study is warranted.

journal_name

Pharmacotherapy

journal_title

Pharmacotherapy

authors

Gebhart BC,Barker BC,Markewitz BA

doi

10.1592/phco.27.3.476

subject

Has Abstract

pub_date

2007-03-01 00:00:00

pages

476-9

issue

3

eissn

0277-0008

issn

1875-9114

journal_volume

27

pub_type

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