Alcohol withdrawal syndrome refers to the spectrum of symptoms that can occur when an individual stops drinking after a long period of heavy use. These can include agitation, delirium tremens (also known as DTs), anxiety, hallucinations, and seizures. These symptoms occur because the withdrawal of alcohol places the nervous system in a hyper-excitable state. Depending on the severity of the symptoms involved. The patient may need a medically supervised period of withdrawal. The range of the severity of symptoms can range from a mild nuisance to life threatening.