Alcohol is a drug that has a depressant or slowing effect on the brain. When alcohol is withdrawn after habitual use, the opposite occurs and the brain becomes excitable. The symptoms of alcohol withdrawal reflect this excitability, for example tremors, irritability, and seizures. Symptoms of alcohol withdrawal can occur from 6-72 hours after the last drink. Withdrawal symptoms are categorized by most references as minor symptoms which occur 6-12 hours after the alcoholic’s last drink and major symptoms which occur 24-72 hours after the last drink. Read More...