Illness anxiety disorder. In: Diagnostic and Statistical Manual of Mental Disorders DSM-5. 5th ed. Arlington, Va.: American Psychiatric Association; 2013. https://dsm.psychiatryonline.org. Accessed April 16, 2018.
Highlights of changes from DSM-IV to DSM-5. https://dsm.psychiatryonline.org/doi/full/10.1176/appi.books.9780890425596.changes#x27321.2817768. Accessed April 16, 2018.
Illness anxiety disorder. Merck Manual Professional Version. http://www.merckmanuals.com/professional/psychiatric-disorders/somatic-symptom-and-related-disorders/illness-anxiety-disorder. Accessed April 16, 2018.
Levenson JL. Illness anxiety disorder: Epidemiology, clinical presentation, assessment, and diagnosis. https://www.uptodate.com/contents/search. Accessed April 16, 2018.
Levenson JL. Illness anxiety disorder: Treatment and prognosis. https://www.uptodate.com/contents/search. Accessed April 16, 2018.
Newby JM, et al. DSM-5 illness anxiety disorder and somatic symptom disorder: Comorbidity, correlates, and overlap with DSM-IV hypochondriasis. Journal of Psychosomatic Research. 2017;101:31.
Fallon BA, et al. A randomized controlled trial of medication and cognitive-behavioral therapy for hypochondriasis. American Journal of Psychiatry. 2017;174:756.
Te Poel F, et al. The curious case of cyberchondria: A longitudinal study of the reciprocal relationship between health anxiety and online health information seeking. Journal of Anxiety Disorders. 2016;43:32.
Anxiety disorders. National Institute of Mental Health. https://www.nimh.nih.gov/health/topics/anxiety-disorders/index.shtml#part_145338. Accessed April 17, 2018.
Medical review (expert opinion). Mayo Clinic, Rochester, Minn. May 21, 2018.