INTRODUCTION TO MED  (PSYCHIATRY)    SCHIZOPHRENIA AND OTHER PSYCHOTIC DISORDERS
SCHIZOPHRENIA <ul><li>A 35 – YEAR-OLD WOMAN TELLS YOU THAT HER NEIGHBORS ARE SPYING ON HER BY LISTENING TO HER THROUGH HEA...
SCHIZOPHRENIA <ul><li>Schizophrenia is a chronic mental disorder characterized by: </li></ul><ul><ul><li>disturbed thought...
<ul><li>Usually the patient is well oriented to person, place, and time </li></ul><ul><li>The patients has intact memory  ...
<ul><li>Prodromal signs </li></ul><ul><ul><li>Quiet </li></ul></ul><ul><ul><li>Passive or irritable </li></ul></ul><ul><ul...
<ul><li>During the acute psychotic episode the following thought disorders are present: </li></ul><ul><ul><li>Disorders of...
<ul><li>Residual signs and symptoms </li></ul><ul><ul><li>Flat affect </li></ul></ul><ul><ul><li>Peculiar thinking and beh...
<ul><li>Delusions  </li></ul><ul><ul><li>False belief not based on simple ignorance or shared by a culture or subculture <...
<ul><li>Disorder of thought processes </li></ul><ul><ul><li>Abrupt halt in the train of thought, often due to hallucinatio...
Five Types of Schizophrenia <ul><li>Disorganized:  </li></ul><ul><ul><ul><li>Disinhibited </li></ul></ul></ul><ul><ul><ul>...
<ul><li>Undifferentiated: </li></ul><ul><ul><ul><li>Characteristics of more than one type </li></ul></ul></ul><ul><ul><ul>...
<ul><li>Negative symptoms is characterized by: </li></ul><ul><ul><li>Loss of function  </li></ul></ul><ul><ul><ul><li>flat...
<ul><li>Positive symptoms are characterized by excessive function: </li></ul><ul><ul><ul><li>Hallucinations </li></ul></ul...
Physiologic Abnormalities <ul><li>EEG </li></ul><ul><ul><li>Decreased alpha waves </li></ul></ul><ul><ul><li>Increased the...
Mimics of Schizophrenia <ul><li>Medical illnesses </li></ul><ul><ul><li>Temporal lobe epilepsy </li></ul></ul><ul><ul><li>...
Epidemiology <ul><li>50% for monozygotic twins of schizophrenic persons </li></ul><ul><li>40% of  children where both pare...
Treatment <ul><li>Pharmacological treatment </li></ul><ul><ul><li>Traditional antipsychotics </li></ul></ul><ul><ul><ul><l...
Classification Agent (Duration) Dose (mg/day) Clinical use Traditional  Low - potency Thioridazine (Mellaril)  200 -600 De...
Classification Agent (Duration) Dose (mg/day) Clinical use Atypical  Anti-psychotics Clozapine (Clozaril) 300 – 900 Effect...
Side Effects of Anti-Psychotics <ul><li>Low – potency  </li></ul><ul><ul><li>Mainly anticholinergic side effects </li></ul...
<ul><li>Anti-cholinergic side effects: </li></ul><ul><ul><li>Dry mouth </li></ul></ul><ul><ul><li>Blurred vision </li></ul...
<ul><li>Neurologic side effects </li></ul><ul><ul><li>Parkinsonian effects : reduce dose and add Cogentin (1 – 4 mg/day) o...
<ul><li>Increasing agitation, depression and insomnia may indicate that the patient is going to have a psychotic episode <...
Prognosis <ul><li>Chronic, lifelong impairment </li></ul><ul><li>Better prognosis if: </li></ul><ul><ul><li>Patient has mo...
Other Psychotic Disorders <ul><li>There are five disorders other than schizophrenia that present with psychotic symptoms. ...
Brief Psychotic Disorder <ul><li>At least one psychotic symptom lasting 1 day but less than 1 month </li></ul><ul><li>More...
<ul><li>Patients are relatively normal in the pre-morbid period [schizophrenia see withdrawal, strange behavioral and odd ...
Typical Patient Presentation <ul><li>27 year-old woman whose brother died recently of HIV disease is brought by relatives ...
Treatment  <ul><li>Short hospital stay </li></ul><ul><li>Antipsychotics </li></ul><ul><li>Benzodiazepines </li></ul><ul><l...
Schizophreniform Disorder <ul><li>Two or more psychotic symptoms lasting at least 1 month but not more than 6 months </li>...
Typical Patient Presentation <ul><li>26 year-old man with no previous history of psychiatric illness is brought to the eme...
Treatment <ul><li>Hospitalization </li></ul><ul><li>Anti-psychotics </li></ul><ul><li>Psychotherapy to deal with the exper...
Schizoaffective Disorder <ul><li>Fits the criteria for both mood disorder and schizophrenia </li></ul><ul><li>Chronic impa...
Typical Patient Presentation <ul><li>35 year-old man with a history of psychotic symptoms and severe depression has never ...
Treatment <ul><li>Hospitalization </li></ul><ul><li>Antidepressants, </li></ul><ul><li>Anti-manic, and </li></ul><ul><li>E...
Delusional Disorder <ul><li>A rare disorder </li></ul><ul><li>Fixed non- bizarre delusional symptom (often paranoid) </li>...
<ul><li>Though delusion is of the paranoid type it is unlikely bizarre </li></ul><ul><li>Patients functions relatively nor...
Typical Patient Presentation <ul><li>55 year –old patient tells you that his neighbor has been plotting for years to get h...
Treatment <ul><li>Psychotherapy is important – to gain patient’s trust </li></ul><ul><li>Pimozide (Orap) can be given espe...
Shared Psychotic Disorder <ul><li>Also called Folie A Deux </li></ul><ul><li>Development of psychotic symptoms in a person...
Typical Patient Presentation <ul><li>20 year-old woman whose psychotic mother believes that the landlord is trying to pois...
Treatment <ul><li>REMOVE THE PATIENT FROM THE INFLUENCE OF THE INDUCER </li></ul><ul><li>Social support and psychotherapy ...
Lecture 4 Schizophrenia Disorders
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Lecture 4 Schizophrenia Disorders

  1. 1. INTRODUCTION TO MED (PSYCHIATRY) SCHIZOPHRENIA AND OTHER PSYCHOTIC DISORDERS
  2. 2. SCHIZOPHRENIA <ul><li>A 35 – YEAR-OLD WOMAN TELLS YOU THAT HER NEIGHBORS ARE SPYING ON HER BY LISTENING TO HER THROUGH HEATING VENTS. BECAUSE OF THIS, SHE HAS CHANGED RESIDENCES MANY TIMES OVER THE PAST 10 YEARS. SHE LOOKS PECULIAR AND SEEMS PREOCCUPIED BY “VOICES TALKING IN HER HEAD.” </li></ul>
  3. 3. SCHIZOPHRENIA <ul><li>Schizophrenia is a chronic mental disorder characterized by: </li></ul><ul><ul><li>disturbed thoughts, speech, and behavior </li></ul></ul><ul><ul><li>Odd appearance </li></ul></ul><ul><ul><li>Social withdrawal </li></ul></ul><ul><ul><li>Poor grooming </li></ul></ul><ul><ul><li>Abnormal affect </li></ul></ul><ul><ul><ul><li>Flat </li></ul></ul></ul><ul><ul><ul><li>Blunted or </li></ul></ul></ul><ul><ul><ul><li>inappropriate </li></ul></ul></ul>
  4. 4. <ul><li>Usually the patient is well oriented to person, place, and time </li></ul><ul><li>The patients has intact memory </li></ul><ul><li>In the residual phase the patient is in touch with reality </li></ul><ul><li>In the psychotic phase the patient is not in touch with reality </li></ul><ul><li>According to the DSM-IV this diagnosis could only be made if: </li></ul><ul><ul><li>Symptoms have been around for six months </li></ul></ul><ul><ul><li>At least one period of actual psychosis occur within those six months </li></ul></ul><ul><ul><li>Impairment of occupational or social functioning must have occurred during this time period </li></ul></ul>
  5. 5. <ul><li>Prodromal signs </li></ul><ul><ul><li>Quiet </li></ul></ul><ul><ul><li>Passive or irritable </li></ul></ul><ul><ul><li>Few friendships </li></ul></ul><ul><ul><li>Avoids social activities </li></ul></ul><ul><ul><li>Daydreams </li></ul></ul><ul><ul><li>Somatic complaints </li></ul></ul><ul><ul><li>Interest in the occult, religion, or philosophy </li></ul></ul>
  6. 6. <ul><li>During the acute psychotic episode the following thought disorders are present: </li></ul><ul><ul><li>Disorders of perception (hallucinations) </li></ul></ul><ul><ul><li>Disorders of thought content (delusions, ideas of reference, loss of ego boundaries) </li></ul></ul><ul><ul><li>Disorders of thought processes </li></ul></ul><ul><ul><li>Disorders of form of thought </li></ul></ul>
  7. 7. <ul><li>Residual signs and symptoms </li></ul><ul><ul><li>Flat affect </li></ul></ul><ul><ul><li>Peculiar thinking and behavior </li></ul></ul><ul><ul><li>Social withdrawal </li></ul></ul><ul><li>Hallucinations </li></ul><ul><ul><li>Hearing voices when alone in a room </li></ul></ul><ul><ul><li>Smelling nonexistent odors </li></ul></ul><ul><li>Most commonly seen hallucinations: </li></ul><ul><ul><li>Auditory </li></ul></ul><ul><ul><li>Visual </li></ul></ul><ul><ul><li>Tactile </li></ul></ul><ul><ul><li>Gustatory </li></ul></ul><ul><ul><li>Olfactory </li></ul></ul><ul><ul><li>Cenesthetic (visceral sensation) are also seen </li></ul></ul>
  8. 8. <ul><li>Delusions </li></ul><ul><ul><li>False belief not based on simple ignorance or shared by a culture or subculture </li></ul></ul><ul><ul><li>Most commonly seen is delusions of persecution </li></ul></ul><ul><li>Loss of ego boundaries </li></ul><ul><ul><li>Patient does not know where his/her mind and body end and those of others begin </li></ul></ul><ul><li>Have ideas of reference </li></ul><ul><ul><li>Belief that others (including the media) are referring to him/her when they are not </li></ul></ul>
  9. 9. <ul><li>Disorder of thought processes </li></ul><ul><ul><li>Abrupt halt in the train of thought, often due to hallucinations </li></ul></ul><ul><ul><li>Deficiencies in thought or content of speech [making up new words] </li></ul></ul><ul><li>Disorder of form of thought </li></ul><ul><ul><li>Incoherence, word salad (unrelated combinations of words or phases) </li></ul></ul><ul><ul><li>Loose associations (ideas shift from one subject to another- in unrelated fashion) </li></ul></ul><ul><ul><li>Echolalia (repeating a word over and over) </li></ul></ul>
  10. 10. Five Types of Schizophrenia <ul><li>Disorganized: </li></ul><ul><ul><ul><li>Disinhibited </li></ul></ul></ul><ul><ul><ul><li>Poor organization </li></ul></ul></ul><ul><ul><ul><li>Poor appearance and grooming </li></ul></ul></ul><ul><ul><ul><li>Inappropriate emotional responses </li></ul></ul></ul><ul><ul><ul><li>Age of onset is before 25 </li></ul></ul></ul><ul><li>Catatonic: </li></ul><ul><ul><ul><li>Bizarre posturing (waxy flexibility) or extreme excitability </li></ul></ul></ul><ul><ul><ul><li>Rare since introduction of antipsychotic meds </li></ul></ul></ul><ul><li>Paranoid: </li></ul><ul><ul><ul><li>Delusions of persecution </li></ul></ul></ul><ul><ul><ul><li>Older age of onset </li></ul></ul></ul><ul><ul><ul><li>Better functioning than other types </li></ul></ul></ul>
  11. 11. <ul><li>Undifferentiated: </li></ul><ul><ul><ul><li>Characteristics of more than one type </li></ul></ul></ul><ul><ul><ul><li>This is the most common type </li></ul></ul></ul><ul><li>Residual: </li></ul><ul><ul><ul><li>Has one schizophrenic episode and subsequently shows residual symptoms but no psychotic symptoms </li></ul></ul></ul><ul><li>What are negative(deficit) symptoms and positive (productive symptoms? </li></ul>
  12. 12. <ul><li>Negative symptoms is characterized by: </li></ul><ul><ul><li>Loss of function </li></ul></ul><ul><ul><ul><li>flattened affect, </li></ul></ul></ul><ul><ul><ul><li>thought blocking, </li></ul></ul></ul><ul><ul><ul><li>poor grooming </li></ul></ul></ul><ul><ul><ul><li>Lack of motivation </li></ul></ul></ul><ul><ul><ul><li>Social withdrawal </li></ul></ul></ul><ul><ul><ul><li>Poor speech content </li></ul></ul></ul><ul><ul><li>These respond better to clozapine than to traditional antipsychotics </li></ul></ul>
  13. 13. <ul><li>Positive symptoms are characterized by excessive function: </li></ul><ul><ul><ul><li>Hallucinations </li></ul></ul></ul><ul><ul><ul><li>Agitation </li></ul></ul></ul><ul><ul><ul><li>Strange behavior </li></ul></ul></ul><ul><ul><ul><li>Delusions </li></ul></ul></ul><ul><ul><ul><li>Talkativeness </li></ul></ul></ul><ul><ul><li>These respond better to anti-psychotics than negative symptoms do </li></ul></ul>
  14. 14. Physiologic Abnormalities <ul><li>EEG </li></ul><ul><ul><li>Decreased alpha waves </li></ul></ul><ul><ul><li>Increased theta and delta waves </li></ul></ul><ul><ul><li>Epileptiform activity </li></ul></ul><ul><li>Eye movement </li></ul><ul><ul><li>EOM are poor in 50 – 80 % of the patients </li></ul></ul><ul><li>Neuroendocrinology </li></ul><ul><ul><li>Decrease in LH and FSH </li></ul></ul><ul><ul><li>Abnormal regulation of cortisol </li></ul></ul><ul><li>Laboratory findings </li></ul><ul><ul><li>May find elevated levels of homovanillic acid (metabolite of dopamine) in body fluids </li></ul></ul>
  15. 15. Mimics of Schizophrenia <ul><li>Medical illnesses </li></ul><ul><ul><li>Temporal lobe epilepsy </li></ul></ul><ul><ul><li>Neurologic disease or trauma </li></ul></ul><ul><ul><li>Poisoning </li></ul></ul><ul><ul><li>Endocrine disorders </li></ul></ul><ul><li>Psychiatric illnesses </li></ul><ul><ul><li>Brief psychotic disorder </li></ul></ul><ul><ul><li>Schizophreniform disorder </li></ul></ul><ul><ul><li>Schizoaffective disorder </li></ul></ul><ul><ul><li>Manic phase of bipolar </li></ul></ul><ul><ul><li>Schizoid and schizotypal personality disorders </li></ul></ul><ul><ul><li>Substance abuse (amphetamines and hallucinogens) </li></ul></ul>
  16. 16. Epidemiology <ul><li>50% for monozygotic twins of schizophrenic persons </li></ul><ul><li>40% of children where both parents have the disease </li></ul><ul><li>12% for first degree relatives (child, sibling) </li></ul><ul><li>1% of the general population </li></ul><ul><li>Peak age for men is 15 – 25 </li></ul><ul><li>Peak age for women is 25 – 35 </li></ul><ul><li>No gender difference </li></ul>
  17. 17. Treatment <ul><li>Pharmacological treatment </li></ul><ul><ul><li>Traditional antipsychotics </li></ul></ul><ul><ul><ul><li>Particularly effective against positive symptoms </li></ul></ul></ul><ul><ul><ul><li>Significant improvement is seen in 70% of patients </li></ul></ul></ul><ul><ul><li>Atypical antipsychotics </li></ul></ul><ul><ul><ul><li>Useful against negative symptoms </li></ul></ul></ul><ul><li>Psychological treatment </li></ul><ul><ul><li>Long term support is very useful and should consists of individual, family, and group psychotherapy </li></ul></ul>
  18. 18. Classification Agent (Duration) Dose (mg/day) Clinical use Traditional Low - potency Thioridazine (Mellaril) 200 -600 Depression with intense anxiety or agitation Chlorpromazine(Thorazine) 100 – 800 To treat nausea and vomiting Hiccups Traditional High - potency Haloperidol (Haldol) 2 – 15 Psychosis secondary to organic syndrome; Tourette disorder Perphenazine (Trilafon) 8 – 40 To treat nausea and vomiting Pimozide (Orap) 1 –10 Tourette disorder, body dysmorphic disorder Trifluoperazine (Stelazine) 4 – 20 Non-psychotic anxiety (up to 12 weeks)
  19. 19. Classification Agent (Duration) Dose (mg/day) Clinical use Atypical Anti-psychotics Clozapine (Clozaril) 300 – 900 Effective for negative, chronic, and refractory symptoms Risperidone (Risperdal) 4 – 8 Useful for negative symptoms; has few side effects Olanzapine (Zyprexa) 10 – 20 Useful for negative symptoms; has few side effects
  20. 20. Side Effects of Anti-Psychotics <ul><li>Low – potency </li></ul><ul><ul><li>Mainly anticholinergic side effects </li></ul></ul><ul><li>High – potency </li></ul><ul><ul><li>Mainly neurologic side – effects </li></ul></ul><ul><li>Atypical (Clozapine) </li></ul><ul><ul><li>More likely to cause agranulocytosis and seizures </li></ul></ul>
  21. 21. <ul><li>Anti-cholinergic side effects: </li></ul><ul><ul><li>Dry mouth </li></ul></ul><ul><ul><li>Blurred vision </li></ul></ul><ul><ul><li>Constipation </li></ul></ul><ul><ul><li>Urinary retention </li></ul></ul><ul><ul><li>Severe agitation and confusion </li></ul></ul>
  22. 22. <ul><li>Neurologic side effects </li></ul><ul><ul><li>Parkinsonian effects : reduce dose and add Cogentin (1 – 4 mg/day) or Benadryl (25 – 50 mg/day) </li></ul></ul><ul><ul><li>Acute dystonia </li></ul></ul><ul><ul><li>Akathisia </li></ul></ul><ul><ul><li>Neuroleptic malignant syndrome: Medical Emergency </li></ul></ul><ul><ul><li>Tardive dyskinesia : spontaneously remit in 50% of the cases. Otherwise give Bromocriptine 0.75 – 7.5 mg/day ( effective in @ 20% of cases); substitute Clozapine </li></ul></ul>
  23. 23. <ul><li>Increasing agitation, depression and insomnia may indicate that the patient is going to have a psychotic episode </li></ul><ul><li>Usual course of illness is </li></ul><ul><ul><li>repeated psychotic episodes </li></ul></ul><ul><ul><li>Chronic downhill course </li></ul></ul><ul><ul><li>Often stabilizes in midlife </li></ul></ul><ul><li>50% of patients have depression after an acute psychotic episode [watch for suicide attempts] </li></ul>
  24. 24. Prognosis <ul><li>Chronic, lifelong impairment </li></ul><ul><li>Better prognosis if: </li></ul><ul><ul><li>Patient has mood symptoms </li></ul></ul><ul><ul><li>Is older at onset </li></ul></ul><ul><ul><li>Is married or has social relationships </li></ul></ul><ul><ul><li>Is female </li></ul></ul><ul><ul><li>Has good employment history </li></ul></ul><ul><ul><li>Has positive symptoms </li></ul></ul><ul><ul><li>Has had few relapse </li></ul></ul>
  25. 25. Other Psychotic Disorders <ul><li>There are five disorders other than schizophrenia that present with psychotic symptoms. </li></ul><ul><ul><ul><li>Brief Psychotic disorder </li></ul></ul></ul><ul><ul><ul><li>Schizophreniform disorder </li></ul></ul></ul><ul><ul><ul><li>Schizoaffective disorder </li></ul></ul></ul><ul><ul><ul><li>Delusional disorder </li></ul></ul></ul><ul><ul><ul><li>Shared Psychotic disorder [Folie a duex] </li></ul></ul></ul>
  26. 26. Brief Psychotic Disorder <ul><li>At least one psychotic symptom lasting 1 day but less than 1 month </li></ul><ul><li>More common in patients with concomitant borderline and histrionic personality disorders </li></ul><ul><li>Duration of symptoms is shorter than in schizophrenia </li></ul><ul><li>Symptoms often follow exposure to a psychosocial stressor [unlike in schizophrenia] </li></ul>
  27. 27. <ul><li>Patients are relatively normal in the pre-morbid period [schizophrenia see withdrawal, strange behavioral and odd beliefs] </li></ul><ul><li>No family history of schizophrenia </li></ul>
  28. 28. Typical Patient Presentation <ul><li>27 year-old woman whose brother died recently of HIV disease is brought by relatives to the hospital. They claim that over the past week she has begun to show bizarre, dramatic behavior and claims that she hears her brother “talking to her inside her head.” </li></ul>
  29. 29. Treatment <ul><li>Short hospital stay </li></ul><ul><li>Antipsychotics </li></ul><ul><li>Benzodiazepines </li></ul><ul><li>Psychotherapy for dealing with the stressful precipitating event </li></ul><ul><li>Prognosis </li></ul><ul><li>50 – 80 % recover completely </li></ul><ul><li>The others may ultimately be diagnosis with schizophrenia or a mood disorder </li></ul>
  30. 30. Schizophreniform Disorder <ul><li>Two or more psychotic symptoms lasting at least 1 month but not more than 6 months </li></ul><ul><li>Duration of symptoms is shorter than schizophrenia </li></ul><ul><li>Patient relatively normal in the pre-morbid period </li></ul><ul><li>Symptoms come on more suddenly and terminate more abruptly than in schizophrenia </li></ul>
  31. 31. Typical Patient Presentation <ul><li>26 year-old man with no previous history of psychiatric illness is brought to the emergency room by his girlfriend. She tells you that about 3 months ago, he suddenly began to show bizarre behavior, often seemed preoccupied as though he was listening to something and showed abrupt mood changes. </li></ul>
  32. 32. Treatment <ul><li>Hospitalization </li></ul><ul><li>Anti-psychotics </li></ul><ul><li>Psychotherapy to deal with the experience of having had a psychotic episode </li></ul><ul><li>Prognosis </li></ul><ul><li>33% recover completely </li></ul><ul><li>66% progress to schizoaffective disorder or schizophrenia </li></ul>
  33. 33. Schizoaffective Disorder <ul><li>Fits the criteria for both mood disorder and schizophrenia </li></ul><ul><li>Chronic impairment in functioning between episodes </li></ul><ul><li>Meets the criteria for mania or depression as well as for schizophrenia </li></ul>
  34. 34. Typical Patient Presentation <ul><li>35 year-old man with a history of psychotic symptoms and severe depression has never held a job for more than 3 months. He is brought to the emergency room by his sister, with whom he lives, when he begins to show increasingly strange behavior </li></ul>
  35. 35. Treatment <ul><li>Hospitalization </li></ul><ul><li>Antidepressants, </li></ul><ul><li>Anti-manic, and </li></ul><ul><li>Electro-convulsive therapy </li></ul><ul><li>Anti-psychotic agents are used for psychotic episodes and when other medications fail </li></ul><ul><li>Prognosis </li></ul><ul><li>Better than for schizophrenia, worse than for mood disorder </li></ul>
  36. 36. Delusional Disorder <ul><li>A rare disorder </li></ul><ul><li>Fixed non- bizarre delusional symptom (often paranoid) </li></ul><ul><li>Few if any other thought disorders </li></ul><ul><li>More common in: </li></ul><ul><ul><ul><li>Immigrants </li></ul></ul></ul><ul><ul><ul><li>Hearing impaired </li></ul></ul></ul><ul><ul><ul><li>Patients older than 40 years of age </li></ul></ul></ul><ul><li>Most commonly has a sudden onset </li></ul>
  37. 37. <ul><li>Though delusion is of the paranoid type it is unlikely bizarre </li></ul><ul><li>Patients functions relatively normally socially [unlike schizophrenia] </li></ul>
  38. 38. Typical Patient Presentation <ul><li>55 year –old patient tells you that his neighbor has been plotting for years to get him arrested by listening in on all of his phone conversations. The patient is married and has been in the same job for 25 years </li></ul>
  39. 39. Treatment <ul><li>Psychotherapy is important – to gain patient’s trust </li></ul><ul><li>Pimozide (Orap) can be given especially for somatic delusions </li></ul><ul><li>Haldol can also be given </li></ul><ul><li>Prognosis </li></ul><ul><li>50% recover </li></ul><ul><li>30% remain the same </li></ul><ul><li>20% show decreased symptoms </li></ul><ul><li>Good prognosis if: </li></ul><ul><ul><ul><li>Younger age onset </li></ul></ul></ul><ul><ul><ul><li>Sudden onset </li></ul></ul></ul><ul><ul><ul><li>Presence of precipitant </li></ul></ul></ul>
  40. 40. Shared Psychotic Disorder <ul><li>Also called Folie A Deux </li></ul><ul><li>Development of psychotic symptoms in a person in a close relationship with another person </li></ul><ul><li>More common in women and in people from low socio-economic groups </li></ul><ul><li>Psychotic symptoms occur only after exposure to the inducer </li></ul>
  41. 41. Typical Patient Presentation <ul><li>20 year-old woman whose psychotic mother believes that the landlord is trying to poison her now begins to believe the same thing </li></ul>
  42. 42. Treatment <ul><li>REMOVE THE PATIENT FROM THE INFLUENCE OF THE INDUCER </li></ul><ul><li>Social support and psychotherapy </li></ul><ul><li>Anti-psychotic medications </li></ul><ul><li>Prognosis </li></ul><ul><li>10 – 40 % resolve with separation </li></ul>
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