1. Health
You can opt-out at any time. Please refer to our privacy policy for contact information.

Discuss in my forum

Dual Diagnosis


Updated August 31, 2011

Definition: Term used to describe when a person has a severe mental illness--such as major depression, bipolar disorder, or schizophrenia--and a co-existing alcohol or drug abuse problem.
Also Known As: dual disorders, comorbidity

©2014 About.com. All rights reserved.

We comply with the HONcode standard
for trustworthy health
information: verify here.