[Severe metabolic alkalosis and beer drinking].

We describe a case report with moderately low plasma sodium level and predominant metabolic alkalosis. Others have reported acid-base balance disorders, although no clear pathophysiological explanation has been put forward. We hypothesize that, combine with poor protein intake, mild hyperosmolar beer leads to a water intoxication syndrome, whereas strong hyperosmolar beer intake more likely induces hypochloremic metabolic alkalosis.