Substance Use Disorder

Definition

Substance Use Disorder (SUD) is a medical condition characterized by an inability to stop or control the use of substances such as drugs or alcohol, despite negative consequences.

Scientific / Technical Definition

Substance Use Disorder is a complex condition in which there is uncontrolled use of a substance despite harmful consequences. Individuals with SUD have an intense focus on using certain substances to such an extent that it takes over their life. It is considered a brain disorder because it involves changes in the brain circuits involved in reward, stress, and self-control.

Benefits

• Addressing SUD can improve overall physical health.
• Treatment of SUD can improve quality of life, social relationships, and mental health.
• Managing SUD during pregnancy can lead to better health outcomes for both the mother and the baby.

Examples

• Alcohol use disorder
• Opioid use disorder
• Nicotine dependence

Additional Information

• Known issues: Substance Use Disorder during pregnancy can lead to complications such as premature birth, low birth weight, and developmental problems in the baby.

Related Terms

• Addiction
• Detoxification
• Treatment Programs
• Mental Health

References

• Understanding Substance Use Disorder - National Institute on Drug Abuse
• Substance Use During Pregnancy - Centers for Disease Control and Prevention