Definitions for "Dual diagnosis"
Diagnosis of both substance misuse problem and mental health problems.
Two different “diagnoses” given to the same person. This term is used most often for a “severe” mental illness combined with some form of “chemical dependency” (for example, schizophrenia combined with dependence on marijuana).
A diagnosis of an emotional disorder and another disorder such as developmental delay, drug and alcohol use or a mental illness.
Keywords:  comorbidity, see
See comorbidity.
two conditions, diseases or syndromes existing simultaneously.