Substance Use Disorder

General Information

Substance use disorder (SUD), which can include addiction, is a medical diagnosis that describes the mental, behavioral, and physical symptoms caused by the use of alcohol, tobacco, and/or other drugs. These symptoms can include tolerance to increased amounts of drug use, withdrawal symptoms from suddenly stopping use, inability to control or cut down use, and neglecting important work or refusing to participate in social activities in order to take drugs.


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Chicago Connects

Chicago Connects website banner thumbnailTo find treatment near you for a Substance Use Disorder, visit the 
Chicago Connects website.

  • Chicago Connects provides listings of drug and alcohol treatment programs.
  • Chicago Connects has information on hotlines.
  • Chicago Connects shares information about addiction.
  • Chicago Connects has information on peer support groups.
  • Chicago Connects also has information on mental health services.

Overcome Opioids

To learn more about Opioid Use Disorders, visit the Overcome Opioids website.

Overcoming Opioids shares the lasts information about opioid use disorders to:

  • Understand the problem
  • Prevent opioid overuse and overdose
  • Respond to an overdose, including how to use Naloxone
  • Recover from opioid addiction

Call the Illinois Opioid Helpline at: 1-833-2-FINDHELP


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Additional Resources

Substance Use Disorder (SUD), which can include addiction, is a medical diagnosis that describes the mental, behavioral, and physical symptoms caused by the use of alcohol, tobacco, and/or other drugs. These symptoms can include tolerance to increased amounts of drug use, withdrawal symptoms from suddenly stopping use, inability to control or cut down use, and neglecting important work or refusing to participate in social activities in order to take drugs.

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