People who use the mental health services often have complex sexual health needs. Mental health nurses are well placed to offer support. However, this rarely happens in practice, and therefore, people's sexual health needs are not being routinely addressed. It is not known why this is the case. EBSCO, PsycINFO, MEDLINE and ASSIA databases were searched using Booleans with Mesh and key terms including “mental health nurse” and “sexual health”. Date range was June 2006 to June 2016.