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  1. Delusional disorder - Wikipedia

    Delusional disorder is a mental disorder in which a person has delusions, but with no accompanying prominent hallucinations, thought disorder, mood disorder, or significant …

  2. Delusional Disorder: Causes, Symptoms, Types & Treatment

    May 22, 2022 · A delusional disorder is a type of psychotic disorder. Its main symptom is the presence of one or more delusions, which are unshakable beliefs in something untrue.

  3. Delusional Disorder - Harvard Health

    Jan 27, 2025 · Delusional disorder is characterized as having one or more false beliefs based on an incorrect interpretation of reality lasting at least one month. Other than the delusions, the …

  4. Delusional Disorder - Mental Health Disorders - Merck Manual …

    Delusional disorder is characterized by 1 or more firmly held false beliefs that persist for at least 1 month, without other symptoms of psychosis.

  5. Delusional disorder Guide: Causes, Symptoms and Treatment …

    Jan 27, 2025 · Delusional disorder - an easy to understand guide covering causes, diagnosis, symptoms, treatment and prevention plus additional in depth medical information.

  6. Delusions: Types, Examples, Causes, Signs - Verywell Health

    Oct 23, 2025 · Delusions are false beliefs that people strongly hold even when there's proof they're wrong. There are different types of delusions, like bizarre ones that are impossible and …

  7. Delusional Disorder: Understanding Its Impact on Cognitive …

    Mar 9, 2025 · Explore delusional disorder and its effects on cognitive functioning, including symptoms, causes, and treatment options for better understanding and management.

  8. Delusional Disorder – Understanding Psychological Disorders

    The diagnosis of a delusional disorder occurs when a person has one or more delusional thoughts for one month or more, that has no explanation by another physiological, substance-induced, …

  9. Delusional Mental Illness: Symptoms, Causes, and Treatments

    Feb 16, 2025 · Explore types, symptoms, causes, and treatments of delusional mental illnesses. Learn about diagnosis, risk factors, and management of these disorders.

  10. Delusional Disorder: Symptoms, Causes, and Treatment

    Dec 18, 2025 · This article explores the types, symptoms, causes, diagnosis, and treatment of delusional disorder.