Delirium tremens is a disorder involving sudden and severe mental changes (psychosis) or neurologic changes (including seizures) caused by abruptly stopping the use of alcohol. Rapid pulse rate, elevated blood pressure, and temperature elevation also may be present.
Causes
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. 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 (or 1 pint of "hard" alcohol) every day for several months. Delirium tremens also commonly affects those with a history of habitual alcohol use or alcoholism that has existed for more than 10 years. Symptoms occur because of the toxic effects of alcohol on the brain and nervous system. They may be severe and get worse very quickly.
Symptoms
Tremors (shakes) — These usually begin within 5 to 10 hours after the last alcohol drink and typically peak at 24 to 48 hours. Along with tremors (trembling), you can have a rapid pulse, an increase in blood pressure, rapid breathing, sweating, nausea and vomiting, anxiety or a hyper-alert state, irritability, nightmares or vivid dreams, and insomnia.
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