Alcohol dependence (also called alcoholism) occurs when you have a physical or emotional dependence on the use of alcohol. Alcohol dependence is diagnosed when a pattern of alcohol use leads to significant impairment or distress with at least 3 of the following occurring any time in the same 12-month period:1
If you have a history of experiencing withdrawal symptoms, this may indicate that you have severe alcohol dependence.1 Because withdrawal symptoms can be very uncomfortable and sometimes intense, some people with alcohol dependence choose to continue drinking to avoid or relieve withdrawal symptoms. Occasionally these symptoms can continue at lower intensities for months (such as difficulty sleeping).
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WebMD Medical Reference from Healthwise