Even so, this condition is rare, with an estimated 0.2 percent of people experiencing it at some point in their lifetime. Delusional disorder is equally likely to occur in males and females.
What percentage of the population is delusional?
Delusional disorder constitutes between 1% and 4% of all psychiatric admissions, with an incidence of first admissions between 1 and 3/100,000 population per year.
What are the most common delusions?
Persecutory delusions are the most common type of delusions and involve the theme of being followed, harassed, cheated, poisoned or drugged, conspired against, spied on, attacked, or otherwise obstructed in the pursuit of goals.
What are the 2 types of delusions?
Negation or nihilistic: This theme involves intense feelings of emptiness. Somatic: This is the false belief that the person has a physical issue or medical problem. Mixed: This is when a person is affected by delusions with two or more themes.
What causes delusional thinking?
Environmental/psychological. Evidence suggests that delusional disorder can be triggered by stress. Alcohol and drug abuse also might contribute to the condition. People who tend to be isolated, such as immigrants or those with poor sight and hearing, appear to be more vulnerable to developing delusional disorder.