Obsessive-compulsive disorder (OCD) is a common anxiety disorder. It causes unreasonable thoughts, fears, or worries. A person with OCD tries to manage these thoughts through rituals.
This Q&A will help you understand OCD, and the obsessions, compulsions, and rituals that are part of it.
The symptoms of OCD vary widely from person to person. Without treatment, OCD can last for a lifetime.