This is a disorder in which you need to use alcohol to feel good or not to feel bad. It includes the following four symptoms:

• Craving: A strong need, or urge, to drink.
• Loss of control: Once you start drinking, not being able to stop.
• Physical dependence: Withdrawal symptoms such as nausea, sweating, shaking and anxiety when you stop drinking.
• Tolerance: Your body’s need for more and more alcohol in order to feel the effects.