Substance use disorder (SUD) is complex a condition in which there is uncontrolled use of a substance despite harmful consequence. People with SUD have an intense focus on using a certain substance(s) such as alcohol, tobacco, or illicit drugs, to the point where the person’s ability to function in day to day life becomes impaired. People keep using the substance even when they know it is causing or will cause problems. The most severe SUDs are sometimes called addictions.
According to the National Institute on Drug Abuse, people begin taking drugs for a variety of reasons, including:
Symptoms of substance use disorder are grouped into four categories:
Many people experience substance use disorder along with another psychiatric disorder. Oftentimes another psychiatric disorder precedes substance use disorder, or the use of a substance may trigger or worsen another psychiatric disorder.
Appropriately dosed Suboxone is superior to placebo in diminishing illicit opiate use and treatment retention.