A psychological and / or physical syndrome caused by the abruptly stopping or reducing substance use that has been heavy and prolonged. The symptoms include clinically significant distress or impairment in social, occupational or other important areas of functioning and are not due to a general medical condition or accounted for by another mental disorder.

the termination of drug taking

A variety of unpleasant symptoms (e.g., difficulty concentrating, irritability, anxiety, anger, depressed mood, sleep disturbance, and craving) that occur after use of an addictive drug is reduced or stopped. Withdrawal symptoms are thought to increase the risk for relapse.

The physical or psychological state experienced when substances are withdrawn from an addicted person.

Withdrawal is related to how the body tolerates a drug and forms a physical dependence to it. After long and continuous use, the body adjusts itself so it can function normally with the presence of the drug. When use of the drug is stopped-or withdrawn-the body fails to function normally because it has adjusted to compensate for the presence of the drug, and this abnormal functioning is felt as withdrawal.

uncomfortable feelings someone who is addicted to a drug or chemical has when the drug or chemical is stopped.

Physical symptoms in the body and brain that occur after cessation of drug use in a person who is physically dependent on that drug.