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NICE Guideline NG58 - Coexisting severe mental illness and substance misuse: community health and social care services
Dual diagnosis usually refers to mental illness combined with substance misuse. But it may also be used to describe a number of other conditions, including physical health problems. In the UK social care sector, the term is sometimes used for people who have both a learning disability and a mental illness.
Plain English definition
Think Local Act Personal (TLAP) Jargon Buster
A combination of severe illness and problematic drug or alcohol use. These two things are closely linked for many people. People with a dual diagnosis often have serious physical, social and psychological problems.
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