Often referred to as the bible of psychiatry, the Diagnostic and Statistical Manual of Psychiatry (DSM) will be published in its fifth edition in May next year, once again transforming the way in which mental illness is defined. In this series of five short essays Paul Fitzgerald takes a closer look into the DSM providing a basic introduction to some of the issues.
Psychiatric research indicates that things are more complicated than the manual leads us to believe. In reality, many diagnostic categories overlap. Over the years, many new diagnostic categories have been proposed. As a consequence, many individuals now fit several diagnostic labels. Should their different disorders all be treated separately, or at the same time?