Exposure-based cognitive–behavioural therapy via the internet and as bibliotherapy for somatic symptom disorder and illness anxiety disorder: randomised controlled trial

  title={Exposure-based cognitive–behavioural therapy via the internet and as bibliotherapy for somatic symptom disorder and illness anxiety disorder: randomised controlled trial},
  author={Erik Hedman and Erland Axelsson and Erik Andersson and Mats Lekander and Brj{\'a}nn Lj{\'o}tsson},
  journal={British Journal of Psychiatry},
  pages={407 - 413}
Background In DSM-5 two new diagnoses, somatic symptom disorder (SSD) and illness anxiety disorder (IAD), have replaced DSM-IV hypochondriasis. There are no previous treatment studies for these disorders. Cognitive–behavioural therapy (CBT) delivered as therapist-guided or unguided internet treatment or as unguided bibliotherapy could be used to increase treatment accessibility. Aims To investigate the effect of CBT delivered as guided internet treatment (ICBT), unguided internet treatment (U… 

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