- International OCD Foundation
Founded by a group of people with OCD in 1986, the International OCD Foundation (IOCDF) is an international not-for-profit organization made up of people with Obsessive Compulsive Disorder (OCD) and related disorders, as well as their families, friends, professionals and others.
- PubMedHealth: OCD
Overview of OCD provided by the U.S. National Library of Medicine.
- National Institute of Mental Health: OCD
Information and articles about OCD.
- Mayo Clinic: Obsessive Compulsive Disorder
Definition, symptoms, risk factors, treatments, prevention and more information about OCD.
- WebMD: Obsessive Compulsive Disorder
WebMD's comprehensive coverage about how OCD develops, what the symptoms are, how to treat it, and much more.
- Teens Health: Obsessive Compulsive Disorder
Definition, causes, diagnosis and treatment information about OCD, written for teens.
- National Alliance on Mental Illness: Obsessive Compulsive Disorder
The basics of Obsessive Compulsive Disorder explained in every day language.
