Schizophrenia and Delusional disorder

Question 1

Diagnostic Criteria for Schizophrenia A

Answer 1

• Two or more of the following, each present for a significant portion of time during a 1 month period (or less if successfully treated). At least one of these must be 1, 2, or 3.
  1. Delusions
  2. Hallucinations
  3. Disorganized speech
  4. Catatonic behavior
  5. Negative symptoms

Question 2

Diagnostic Criteria for Schizophrenia B

Answer 2

Must show a reduction in normal function

Question 3

Diagnostic Criteria for Schizophrenia C

Answer 3

Impairment in functioning due to the symptoms for a significant portion of time during a six-month period (including at least one month of active symptoms).

As long there are symptoms of schizophrenia for 6 month or more while also having 1 month of active symptoms (active symptoms are basically the 5 symptoms of A) It doesnt have to be 6 month of active symptoms.
The six-month period is used to establish the minimum duration of symptoms required for a diagnosis of schizophrenia, but the disorder can last for much longer periods of time.

Question 4

Diagnostic Criteria for Schizophrenia D

Answer 4

Schizoaffective disorder and depressive/bipolar disorder with psychotic features have been excluded

Question 5

Diagnostic Criteria for Schizophrenia E

Answer 5

• The symptoms are not attributable to the effects of a medication, substance, or medical condition.

Question 6

Diagnostic Criteria for Schizophrenia F

Answer 6

If a person has a history of autism spectrum disorder or a communication disorder that started during childhood, they can be diagnosed with schizophrenia only if they also have prominent delusions or hallucinations, along with the other symptoms of schizophrenia, for at least one month (or less if successfully treated).

Question 7

Diagnostic Criteria for Delusional A

Answer 7

• The presence of one (or more) delusions with a duration of 1 month or longer.
  1. Erotomania Delusion
  2. Grandiose Delusion
  3. Jealous Delusion
  4. Persecutory Delusion

Question 8

Diagnostic Criteria for Delusional B

Answer 8

Criterion A for schizophrenia has never been met.
*Hallucination not prominent and are related to the delusional theme

Question 9

Diagnostic Criteria for Delusional C

Answer 9

Despite having delusions, the person is able to function relatively well in their day-to-day life and their behavior is not markedly unusual or bizarre.

Question 10

Diagnostic Criteria for Delusional D

Answer 10

If mood episodes (MDE/Manic) have occurred concurrently with delusions, their total duration has been brief relative to the duration of the delusional periods

The mood disorder duration is shorter than delusional disorder
It common for delusional disorder to have mood episode

Question 11

Diagnostic Criteria for Delusional E

Answer 11

Symptoms should be unrelated to physiological effect of substance and not better explained by another psychological or medical disorder.