Skin diseases, the psyche and psychological changes are often intertwined, especially in patients presenting for expert dermatologic opinion. In many cases an additional evaluation provided by psychotherapeutic medicine may be necessary. This resource may help with the diagnosis, explanation of the problem and estimation of the degree of disability. The different legal guidelines of the various evaluation boards must be considered. The role of psychotherapeutic evaluation is demonstrated through case examples. The evaluation of new possibly occupationally-related disorders such as multiple chemical sensitivity and mobbing is considered.