OCD (Obsessive Compulsive Disorder) - A condition characterised by obsessions (recurring thoughts, images etc) and/or compulsive behaviour (repetitive behaviours e.g. handwashing)
OCD is classed as an anxiety disorder. The disorder typically begins in young adult life and has two main components - obsessions and compulsions. Obsessions are persistent thoughts and compulsions are repetitive behaviours, to reduce anxiety