Internet Delivered CBT for Body Dysmorphic Disorder

Inclusion Criteria: * outpatient * ≥ 18 years * primary diagnosis of BDD according to the DSM-5 * BDD-YBOCS ≥20 * regular access to a computer with Internet access and skills to use the web. Exclusion Criteria: * psychotropic medication changes within two months prior to the treatment, * completed CBT for BDD within the last 12 months, * other primary axis I diagnosis * current substance dependence * lifetime bipolar disorder or psychosis * suicidal ideation * Axis II diagnosis that could jeopardize treatment participation, * other current psychological treatment that could affect BDD symptoms * A serious medical illness that precludes participation in the study