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Dual diagnosis

NICE Guideline NG58 - Coexisting severe mental illness and substance misuse: community health and social care services
National Institute for Health and Care Excellence

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
Think Local Act Personal

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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