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Dual Diagnosis Treatment in Portland

3 Minute Read | Published Nov 30 2023 | Updated Dec 01 2023

Dual diagnosis, also known as co-occurring disorders, refers to the coexistence of both mental health and substance use disorders in an individual. This complex and multifaceted condition requires a comprehensive and integrated treatment approach, as it poses significant challenges for individuals seeking recovery. In Portland, Oregon, dual diagnosis is a prevalent issue that affects a significant portion of the population. Understanding the extent of the problem and the resources available for treatment is crucial in addressing this issue and providing hope for those struggling with dual diagnosis.

Prevalence of Dual Diagnosis in Portland and Oregon

In Portland, approximately 2,665 people were estimated to have a dual diagnosis from 2016 to 2017, based on a survey conducted by the Oregon Health Authority. This accounts for about 10.7% of adults with a mental health disorder and 5.3% of individuals with a substance use disorder. The prevalence of dual diagnosis in Portland is higher than the national average, which is around 7.8%.

In Oregon, a statewide survey conducted by the Oregon Health Authority in 2014 found that 22.5% of adults with a serious mental illness also had a substance use disorder. This is significantly higher than the national average of 8%.

Addiction Problems in Portland and Oregon

The opioid epidemic is a major issue facing Portland and the state of Oregon. From 2013 to 2018, the state of Oregon experienced a 137% increase in opioid overdose deaths. In 2019, Oregon ranked fourth among all U.S. states for opioid overdose deaths. Furthermore, prescription drug abuse remains a pressing issue, with an estimated 5% of adults reporting nonmedical use of prescription pain relievers.

Alcohol addiction is also a significant problem in Portland and Oregon. According to the Oregon Health Authority, approximately 8% of adults reported binge drinking in the past 30 days, and 2.5% reported heavy alcohol use. In Portland, 21% of all substance abuse treatment admissions were for alcohol as the primary substance of abuse.

Mental Health Disorders in Portland and Oregon

According to a 2017-2018 survey by the Oregon Health Authority, an estimated 18% of adults in Portland reported having a mental health disorder. Depression, anxiety, and bipolar disorder were the most commonly reported mental health conditions.

The LGBT community in Portland also faces a higher risk of mental health disorders, with 15% of LGBT adults reporting a mental illness compared to 11% of heterosexual adults. Additionally, 23% of transgender adults in Oregon reported a serious mental illness.

Treatment and Resources for Dual Diagnosis in Portland

Despite the high prevalence of dual diagnosis in Portland, there are numerous treatment options and resources available for individuals seeking recovery. The Oregon Health Authority funds a comprehensive system of care for substance use and mental health disorders. This includes prevention, treatment, and recovery services, as well as support for families and communities affected by addiction.

Additionally, there are various outpatient and inpatient treatment centers in Portland that offer specialized services for individuals with co-occurring disorders. These include individual and group therapy, medication management, and support groups. The Multnomah County Mental Health and Addiction Services also provides mental health and substance abuse treatment services for low-income and uninsured individuals.


Dual diagnosis is a common and complex issue in Portland and Oregon, affecting a significant portion of the population. However, with the availability of resources and a comprehensive approach to treatment, recovery is possible. By raising awareness and providing support, we can offer hope to those struggling with dual diagnosis and promote a healthier community.
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