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Unable to withdraw from drug use
Withdrawal symptoms
Trembling fingers
Using drugs
Feel like using drugs everyday
Drugs help to block out thoughts
Need more drug than usual
Spending too much money on drugs
Drug use affects social or financial situation
Feeling guilty about drug use
Memory lapse due to drugs
Continue to use drugs despite symptoms
Not seeing your symptoms? No worries!
Substance use disorder is a disease that affects a person's brain and behavior, leading to an inability to control the use of legal or illegal drugs or medications. Substances like alcohol, marijuana, and nicotine are also considered drugs.
Your doctor may ask these questions to check for this disease:
Management of substance use disorder includes detoxification, behavioral therapy, and self-help groups. The goal of detoxification, also called "detox" or withdrawal therapy, is to stop the addictive drug as quickly and safely as possible.
Reviewed By:
Kenji Taylor, MD, MSc (Family Medicine, Primary Care)
Dr. Taylor is a Japanese-African American physician who grew up and was educated in the United States but spent a considerable amount of time in Japan as a college student, working professional and now father of three. After graduating from Brown, he worked in finance first before attending medical school at Penn. He then completed a fellowship with the Centers for Disease Control before going on to specialize in Family and Community Medicine at the University of California, San Francisco (UCSF) where he was also a chief resident. After a faculty position at Stanford, he moved with his family to Japan where he continues to see families on a military base outside of Tokyo, teach Japanese residents and serve remotely as a medical director for Roots Community Health Center. He also enjoys editing and writing podcast summaries for Hippo Education.
Shohei Harase, MD (Neurology)
Dr. Harase spent his junior and senior high school years in Finland and the U.S. After graduating from the University of Washington (Bachelor of Science, Molecular and Cellular Biology), he worked for Apple Japan Inc. before entering the University of the Ryukyus School of Medicine. He completed his residency at Okinawa Prefectural Chubu Hospital, where he received the Best Resident Award in 2016 and 2017. In 2021, he joined the Department of Cerebrovascular Medicine at the National Cerebral and Cardiovascular Center, specializing in hyperacute stroke.
Content updated on Feb 3, 2025
Following the Medical Content Editorial Policy
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Link to full study:
https://www.medrxiv.org/content/10.1101/2024.08.29.24312810v1Volkow ND, Blanco C. Substance use disorders: a comprehensive update of classification, epidemiology, neurobiology, clinical aspects, treatment and prevention. World Psychiatry. 2023 Jun;22(2):203-229. doi: 10.1002/wps.21073. PMID: 37159360; PMCID: PMC10168177.
https://pmc.ncbi.nlm.nih.gov/articles/PMC10168177/Schulden JD, Thomas YF, Compton WM. Substance abuse in the United States: findings from recent epidemiologic studies. Curr Psychiatry Rep. 2009 Oct;11(5):353-9. doi: 10.1007/s11920-009-0053-6. PMID: 19785975; PMCID: PMC3144502.
https://pmc.ncbi.nlm.nih.gov/articles/PMC3144502/