Module 6: 1st generation antipsychotics Flashcards
1st generation antipsychotic examples
Chlorpromazine
Haldol
Onset of schizophrenia males vs females
Males: early 20’s
Females: late 20’s-early 30’s
Causes of schizophrenia
neurodevelopment in 2nd trimester in utero
-stress/illness/nutrient deficit?
-genetic component (50% in identical twins)
-genetic vulnerabilities + environmental stressors
*abnormal dopaminergic transmission
*abnormal glutaminergic transmission
(glutamate deficiency)
Diagnosing schizophrenia
2+ symptoms persisting for a month for 6+ months
Symptoms:
-Delusions
-Hallucinations
-Disorganized speech
-catatonic behavior
-negative symptoms
-social/occupational dysfunction
(symptoms may be on/off during the month as long as majority of time active)
Three types of schizophrenia symptoms
Positive symptoms: Refer ot symptoms that should NOT be present: Hallucinations, Delusions, Disorganized speech
Negative symptoms: Lack of characteristics that SHOULD be present: Reduced speech, lack of emotion, decrease activeness, socially withdrawn
Cognitive deficits: memory, attention, planning, decision making
Treatment for schizophrenia
MEDS ARE ESSENTIAL
ECT can be very effective
Dopamine antagonists: Typical or atypical antipsychotics
_____________ has increased risk of EPS
1st generation antipsychotics
_______________ has increased risk of metabolic syndrome
2nd generation antipsychotics
Dopamine 2
Responsible for EPS, prolactin deficit (sexual dysfunction, gynecomastia)
Alpha-1 adrenergic
Responsible for ortho-hypo, sedation, dizziness
Cholinergic
Dry mouth, urine retention, constipation
Histamine-1
Responsible for sedation, weight gain SE
_______________ can TREAT tardive dyskinesia
Clozapine
Neuroleptic Malignant Syndrome (NMS)
Life threatening neurologic emergency
Caused by antipsychotics
Usually develop in first 2 weeks
S/S: Mental status changes, agitated delirium, lead-pipe rigidity, fever, tremor, autonomic instability (tachycardia, HTN, tachypnea)
10%-20% mortality rate
LAI Zyprexa should be monitored for
3 hours after injection!