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  1. Obsessive-compulsive disorder (OCD) - Symptoms and causes

    Dec 21, 2023 · Obsessive-compulsive disorder (OCD) features a pattern of unwanted thoughts and fears known as obsessions. These obsessions lead you to do repetitive behaviors, also called …

  2. Obsessive–compulsive disorder - Wikipedia

    Obsessive–compulsive disorder (OCD) is a mental disorder in which an individual has intrusive thoughts (an obsession) and feels the need to perform certain behaviors (compulsions) repeatedly to relieve …

  3. Obsessive-Compulsive Disorder (OCD): Signs and Treatment

    Apr 4, 2024 · What Is Obsessive-Compulsive Disorder? Obsessive-compulsive disorder (OCD) is a mental illness that causes repeated unwanted thoughts or urges (obsessions). It also can cause you …

  4. Obsessive-Compulsive Disorder (OCD) - National Institute of Mental ...

    Obsessive-compulsive disorder (OCD) is a disorder marked by uncontrollable and recurring thoughts (obsessions), repetitive and excessive behaviors (compulsions), or both.

  5. Obsessive-Compulsive Disorder (OCD) - Johns Hopkins Medicine

    OCD is a common condition. It causes persistent disturbing thoughts and compulsive rituals that attempt to ease anxiety. The rituals become consuming and interrupt daily life.

  6. Understanding Obsessive-Compulsive Disorder (OCD)

    Sep 22, 2025 · Obsessive-compulsive disorder (OCD) is an anxiety disorder characterized by an individual experiencing unwanted and intrusive thoughts (obsessions) and behavioral rituals …

  7. Obsessive-Compulsive Disorder (OCD) - Harvard Health

    Jul 7, 2025 · What is obsessive-compulsive disorder? In obsessive-compulsive disorder (OCD), a person is troubled by intrusive, distressing thoughts (obsessions) and feels the pressure to carry out …

  8. What Is are Obsessive-Compulsive and Related Disorders?

    Obsessive-compulsive disorder (OCD) is a disorder in which people have obsessions, which are recurring, unwanted and unpleasant thoughts, ideas, urges, or images. To get rid of the thoughts, …

  9. Obsessive-compulsive disorder: MedlinePlus Medical Encyclopedia

    OCD is a long-term (chronic) illness with periods of severe symptoms followed by times of improvement. A completely symptom-free period is unusual. Most people improve with treatment. Long-term …

  10. Obsessive-Compulsive Disorder (OCD) - Psychiatric Disorders

    Aug 1, 2019 · Obsessions are unwanted, intrusive thoughts, urges, or mental images, the presence of which usually causes marked distress or anxiety.