 1. Study design. Open single arm pilot clinical trial in patients with dissociative disorders, admitted to the psychiatric emergency unit of Geneva general capacity: 20-30 patientsday. Patients will be interviewed according to Dissociative Experiences Scale DES and, if their score is 30 or higher, the Structured Clinical Interview for DSM-IV Dissociative Disorders SCID will be administered. When the outcome on the SCID is positive, the patient can be included in the study. The Clinical Global Impression Improvement Scale CGI-I, HDRS and the MADRS items for suicide will be administered at entry and after 3 and 8 weeks. 