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Drug addiction, also called substance use disorder, is a disease that affects a person's brain and behavior and leads to an inability to control the use of a legal or illegal drug or medicine. Substances such as alcohol, marijuana and nicotine also are considered drugs.
Diagnosing drug addiction (substance use disorder) requires a thorough evaluation and often includes an assessment by a psychiatrist, a psychologist, or a licensed alcohol and drug counselor. Blood, urine or other lab tests are used to assess drug use, but they're not a diagnostic test for addiction.
If your pattern of drinking results in repeated significant distress and problems functioning in your daily life, you likely have alcohol use disorder. It can range from mild to severe. However, even a mild disorder can escalate and lead to serious problems, so early treatment is important.
Treatment may involve a brief intervention, individual or group counseling, an outpatient program, or a residential inpatient stay. Working to stop alcohol use to improve quality of life is the main treatment goal. Treatment for alcohol use disorder may include: Detox and withdrawal.
Drug addiction is defined as an out-of-control feeling that you must use a medicine or drug and continue to use it even though it causes harm over and over again. Opioids are highly addictive, largely because they trigger powerful reward centers in your brain.
Prescription drug abuse, also called prescription drug misuse, includes everything from taking a friend's prescription painkiller for your backache to snorting or injecting ground-up pills to get high. Prescription drug abuse may become ongoing and compulsive, despite the negative consequences.
Mental illness, also called mental health disorders, refers to a wide range of mental health conditions — disorders that affect your mood, thinking and behavior. Examples of mental illness include depression, anxiety disorders, schizophrenia, eating disorders and addictive behaviors.
Drug addiction affects your brain and behavior to the point where you can't control your use of legal or illegal drugs, even when you know they cause harm.
Drug addiction affects your brain and behavior to the point where you can't control your use of legal or illegal drugs, even when you know they cause harm.
An intervention can motivate someone to seek help for alcohol or drug misuse, compulsive eating, or other addictive behaviors. Discover when to hold one and how to make it successful. By Mayo Clinic Staff