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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) - 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.

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

    OCD is a common anxiety disorder. It causes unreasonable thoughts, fears, or worries. A person with OCD tries to manage these thoughts through rituals.

  5. 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, …

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

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

  7. Health Encyclopedia - University of Rochester Medical Center

    Frequent disturbing thoughts or images are called obsessions. They are irrational and can cause great anxiety. Reasoning doesn’t help control the thoughts. Rituals or compulsions are actions that help …

  8. 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 …

  9. Obsessive-Compulsive Disorder (OCD) - PsychDB

    Aug 4, 2025 · OCD symptoms (not meeting the diagnostic threshold) are on a variant of normal; thus OCD symptoms occurs in over 25% of adults, and developmentally appropriate rituals and …

  10. Obsessive-Compulsive Disorder - MedlinePlus

    Oct 17, 2023 · Obsessive-compulsive disorder (OCD) usually begins when you are a teen or young adult. Boys often develop OCD at a younger age than girls. Risk factors for OCD include: Family …