Delirium tremens is a severe form of alcohol withdrawal that involves sudden and severe mental or neurological changes.Delirium tremens can occur after a period of heavy alcohol drinking, especially when the person does not eat enough food. It may also be triggered by head injury, infection, or illness in people with a history of heavy use of alcohol. Approximately 10% of males and 3-5% of females are alcoholic; 5% of each group experiences DT. It is most common in people who have a history of alcohol withdrawal , especially in those who drink the equivalent of 7 – 8 pints of beer every day for several months.

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