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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. 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 …

  4. 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 …

  5. Delusional Disorder - Psychology Today

    Apr 6, 2022 · Delusional disorder refers to a condition in which an individual displays one or more delusions for one month or longer. Delusional disorder is distinct from schizophrenia and …

  6. Types of Delusions & Common Delusional Themes - WebMD

    May 7, 2024 · Delusions are beliefs that aren't based on reality, culture, religion, or social identity. The people affected by them can’t be convinced by facts or reason that their delusional belief …

  7. 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.

  8. Treatments for delusional disorder - PMC

    Delusional disorder is commonly considered to be difficult to treat. Antipsychotic medications are frequently used and there is growing interest in a potential role for psychological therapies …

  9. Delusional Disorder: Comprehensive Overview - Psychology Fanatic

    Jul 2, 2025 · Delusional disorder is primarily characterized by delusions, which are false beliefs that remain fixed in a person’s mind despite their illogical bases and lack of evidence.

  10. 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.