A 49-year-old male developed bronchospasm and severe lactic acidosis after exposition to fire smoke. The correction of lactic acidosis following beta-adrenergic agents withdrawal, and the transitory increase in lactate after salbutamol reintroduction are consistent with hypersensitivity to salbutamol. However, the plasma lactate concentration (32.6 mmol/l) that we observed 9.5 h after admission is far above those currently seen after administration of beta-adrenergic agents. We searched for causes able to potentiate the adverse effects of these drugs and we noticed that our patient had a high plasma ethanol level (2.4 g/l). Alcohol metabolism in the liver results in generation of high NADH/NAD+ ratios, thus reducing lactate liver clearance. This observation suggests that plasma lactate levels should be monitored closely in alcoholic patients treated with beta-mimetic agents.
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