[Changes in classification of sexual dysfunction: from DSM-IV-TR to DSM-5].

The current version of the commonly-used classification system for mental disorders, DSM-5, has been available since 2013. In this version, the classifications of sexual dysfunction have been modified at several points on comparison with DSM-IV-TR. This article discusses some of these modifications including the changes in the available classifications and diagnostic criteria, and how they reflect the evolving views of science and society on the nature and aetiology of sexual function and dysfunction. In conclusion a few of the implications for epidemiological research and clinical diagnostics are discussed.