The internet provides access to what is often a bewildering array of medical knowledge on mental health, some (but not all) of which is evidence based. As well as information for clinicians, there has been a dramatic increase in the variety and quality of information available for patients and carers. In this article we discuss the advantages and limitations of the types of information available, with suggested sites and strategies for assessing their relative merits. Login using your SSSFT NHS OpenAthens for full text. SSOTP - request a copy of the article from the library - www.sssft.nhs.uk/library