Table 1. Descriptive data of individuals with obsessive–compulsive disorder (OCD)
developing prior to psychosis

Length of time of

Sex
(age in years)

Psychotic symptoms

OCD symptoms

Psychotic symptoms

OCD symptoms

Diagnosis and treatment (dosage in mg)

Comments

Man (33)

Thought echo

Delusional misinterpretation

Delusions of persecution

Delusion that others accuse the patient of homosexuality

Illness, blasphemous, and sexual obsessions

6 years

12 years

OCD and schizophrenia

• Fluoxetine 80
• Risperidone 8
• Exposure and response prevention

Near total improvement

Man (24)

Thought echo

Delusion of control

Bizarre delusions

Delusions of persecution

Delusions of grandiousity

2nd and 3rd person auditory hallucinations

Sexual obsessions

Checking compulsions

1 year

2 years

OCD and schizophrenia

• Fluoxetine 80
• Risperidone 8
• Lithium 900
• Trihexyphenidyl 4

70% to 80% improvement

Woman (26)

Delusion of reference

Delusion of persecution

Delusion of control

Made phenomena

Religious obsessions in the form of rumination

2 years

4 years

OCD and schizophrenia

• Fluoxetine 80
• Risperidone 4

60% improvement in both symptom groups

Woman (33)

Delusion of reference

Delusion of persecution

Contamination obsessions

Washing and checking compulsions

1 year

9 years

OCD and schizophrenia

• Sertraline 250
• Risperidone 6
• Trihexyphenidyl 4

60% to 70% improvemment in both symptom groups

Woman (22)

2nd person auditory hallucinations

Obsessive urges to harm

Obsessive doubts of daily activities

Checking and other yielding compulsions

1 year

1 year

OCD and atypical psychosis

• Fluoxetine 80
• Haloperidol 5

Did not follow up