• Eduardo Ávila and Eric Roessler B.
• Escuela de Medicina, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile.
• Rev Med Chil. 2023 May 1; 151 (5): 618627618-627.

AbstractMetformin is the preferred medication for the initial management of type 2 diabetes mellitus (T2DM). Although its use is widely recommended, caution should be exercised when prescribing it to populations susceptible to systemic hypoperfusion conditions, as it can lead to accumulation in the body and metabolic disturbances that may result in metformin-associated lactic acidosis. This severe complication is often underdiagnosed. To promote a better understanding of this topic, the present review focuses on the analysis of the clinical, pathophysiological, diagnostic, and management aspects of metformin-associated lactic acidosis, with particular attention to management through renal replacement therapies. The analysis will be based on the experience of a series of cases of metformin-associated lactic acidosis treated at a hospital clinical center in Chile.

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