How is "substance use disorder" defined?

"Substance use disorder" is defined as a complex condition characterized by an inability to stop using a substance despite facing harmful consequences. This definition encompasses various aspects of the disorder, including the psychological and physical dependence on substances, which can lead to significant impairments in an individual's daily life and relationships.

Individuals with substance use disorder may continue to use the substance despite recognizing the negative impacts it has on their health, social functioning, and overall well-being. This definition highlights the chronic nature of the disorder, indicating that it is not merely a temporary issue, nor is it solely about social withdrawal or mood changes influenced by substance use. Instead, it showcases the persistent and compulsive behaviors surrounding substance use that can result in severe adverse effects, establishing a clear and comprehensive understanding of the condition as a whole.