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Dual diagnosis

Definition

From:

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.

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