<prompt> In a patient who is an alcoholic, which of the following causes delirium tremens?Small consumption of alcoholGradual withdrawal from alcoholFatty liverAcute infection  <response>: Ans: D. Acute infectionThe essential feature of the syndrome is delirium occurring within 1 week after a person stops drinking or reduces intake of alcohol.Physical illness Eg: hepatitis or pancreatitis predisposes to the syndrome. 