Dear Editor, The prevalence of type 2 diabetes (DM-2) in HIV-infected patients and the concomitant use of metformin (MTF) and non-nucleoside reverse transcriptase inhibitors (NRTI) is rising. Through inhibition of NADH dehydrogenase and DNA pol-γ, both drugs hinder oxidative phosphorylation that may lead to lactic acidosis (LA). Among NRTIs, abacavir and tenofovir have the lowest mitochondrial toxicity, with only a few LA cases reported2-4. We describe here a case of MTF-associated LA (MALA) secondary to the interaction with NRTI.
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University of Florida College of Medicine - Jacksonville, Jacksonville, FL, USA.
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