• 7.7 million adults have co-occurring mental and substance use disorders.

• Of the 20.3 million adults with substance use disorders, 37.9% also had mental illnesses.

• Among the 42.1 million adults with mental illness, 18.2% also had substance use disorders.

There are many effective treatments for both mental and substance use disorders. A comprehensive treatment approach will address both disorders at the same time.

Not everyone with co-occurring conditions gets the treatment they need:

• 52.5% of those with co-occurring conditions received neither mental health care not substance use treatment.

• 34.5% of those with co-occurring conditions received mental health care only.

• 9.1% of those with co-occurring conditions received both mental health care and substance use treatment.

• 3.9% of those with co-occurring conditions received substance use treatment only.

Among adults with co-occurring disorders who did not receive mental health care, their reasons for not receiving it were:

• 52.2% said they could not afford the cost.

• 23.8% said they did not know where to go for treatment.

• 23.0% said they could handle the problem without treatment.

• 13.6% said they feared being committed.

• 12.4% said it might cause their neighbors to have a negative opinion of them.

• 11.1% said they did not think treatment would help.

• 10.6% said they did not have the time.

• 10.1% said they were concerned about confidentiality.

Among adults with co-occurring disorders who did not receive substance use care, their reasons for not receiving it were:

• 38.4% said they were not ready to stop using.

• 35.1% said they had no health insurance and could not afford the cost.

• 13.1% said it might cause their neighbors to have a negative opinion of them.

• 13.0% said it might have a negative effect on their job.

• 11.5% said they did not know where to go for treatment.

• 9.9% said they had insurance, but it did not cover the treatment cost.

• 9.0% said no program had the treatment type.