This document provides information about the Positive Sobriety Institute (PSI) located in Chicago, Illinois. PSI offers addiction treatment programs for alcohol, drugs, dual diagnosis, and prescription drug abuse. They provide treatment for professionals struggling with substance use disorders. The treatment programs address withdrawal management, the characteristics and signs of addiction, mental health comorbidities, and the short and long-term effects of prescription drug abuse. PSI utilizes a comprehensive treatment approach involving medical and mental health professionals to address both substance use disorders and any co-occurring psychiatric conditions.