Amiddle aged man with a history of alcoholism and psychotic troubles was admitted to the emergency department with drowsiness that had been developing over the previous week. He had been treated with a carboxamide of valproic acid, citalopram, cyamemazine (neuroleptic), alimemazine (another antihistamine) and oxazepam. As well as chronic alcoholism, he had also suffered from recent compulsive water …