The primary aim is to develop, and test the feasibility, of a novel and protocol-based cognitive behaviour therapy (CBT) treatment for body dysmorphic disorder (BDD) administered via the Internet.

Inclusion Criteria:

• outpatients

• male or female

  -≥ 18 years

• currently living in Stockholm county

• primary diagnosis of BDD according to the DSM-IV-TR

• signed informed consent

• 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
• BDD-YBOCS < 12 at psychiatrist visit
• 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