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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: Symptoms, Causes, and Treatment

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

  3. 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.

  4. 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, …

  5. DELUSIONAL Definition & Meaning | Dictionary.com

    DELUSIONAL definition: having false or unrealistic beliefs or opinions. See examples of delusional used in a sentence.

  6. 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.

  7. Delusional Disorder - StatPearls - NCBI Bookshelf

    Mar 27, 2023 · A delusion is a fixed false belief based on an inaccurate interpretation of an external reality despite evidence to the contrary.

  8. Delusional Psychosis And Delusional Disorder - BetterHelp

    Feb 19, 2025 · While delusional disorder does not usually involve hallucinations, delusions are considered psychotic symptoms. Delusional psychosis may refer to psychotic symptoms, such …

  9. Delusional Disorder: Comprehensive Guide to Diagnosis, …

    Jun 12, 2025 · Delusional disorder, previously known as paranoid disorder, is a type of serious mental illness characterized by persistent delusions—false beliefs that are not rooted in reality.

  10. 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.