This paper describes a case of now 49-year-old patient with alcohol dependence syndrome, hospitalized three times in the Center of Clinical Toxicology in 2009-2012 due to ethylene glycol poisoning. Twice, the course of poisoning was defined as severe. It was complicated by respiratory failure, severe metabolic acidosis, renal failure, disorders of the central nervous system; once referred to it as a medium, complicated by renal failure. He was treated with ethyl alcohol as an inhibitor of alcohol dehydrogenase, hemodialysess and intensive symptomatic and supportive therapy. This paper shows the great effectiveness of early hemodialysis and intensive therapy even in case of multiple and severe intoxication with toxic alcohols.