Delusional disorder is characterized by delusions for at least 1 month with:

Delusional disorder is characterized by delusions for at least 1 month with:

• A. No other psychotic symptoms
• B. Disorganized speech
• C. Catatonia
• D. Severe mood disturbance

Answer: (A)

Delusional disorder centers on a fixed delusion that lasts at least one month while other psychotic symptoms are not present. The person’s functioning is not markedly impaired outside the impact of the delusion, and there aren’t disorganized thoughts, disorganized behavior, or prominent mood disturbances accompanying the psychosis. If those other psychotic features were present—such as disorganized speech, catatonia, or a severe mood episode—the presentation would fit schizophrenia spectrum or a mood-related psychotic disorder rather than delusional disorder. So the best description is having delusions for at least a month with no other psychotic symptoms.

Delusional disorder centers on a fixed delusion that lasts at least one month while other psychotic symptoms are not present. The person’s functioning is not markedly impaired outside the impact of the delusion, and there aren’t disorganized thoughts, disorganized behavior, or prominent mood disturbances accompanying the psychosis. If those other psychotic features were present—such as disorganized speech, catatonia, or a severe mood episode—the presentation would fit schizophrenia spectrum or a mood-related psychotic disorder rather than delusional disorder. So the best description is having delusions for at least a month with no other psychotic symptoms.