Antipsychotics Flashcards
List of first generation antipsycholtics
Haloperidol --- Haldol Fluphenazine -- Prolixin Perphenazine -- Trilafon Thioridazine -- Mellaril Chlorpromazine -- Thorazine
MOA of First Gen Antipsychotics
D2 Receptor Antagonists (reduces dopamine)
can induce low-dopamine sx
(dystonia, diskinesia, parkinson like stuff)
5-HT2 receptor antagonist (weight gain)
Unique to 1st gen:
Alpha 1 antagonist (Sedation)
H1 antagonist (sedation, weight gain)
M1 antagonist (anticholinergic)
Which MOA receptors in 1st ten antipsychotics contribute to weight gain
5-HT2 receptor antagonists
H1 antagonist
2nd Gen Antipsychotic Drugs
Aripriprazole - Abilify***
Brexpriprazole - Rexulti
Asenapine - Saphris
Clozapine - Clozaril
Olanzapine - Zyprexa
Quetiapine - Seroquel***
Iloperidone Lurasidone Paliperidone - Invega Risperidone - Risperidol*** Ziprasidone -
Benefit of 2nd gen antipsychotics
Antipsychotic effects without ANTIPYRAMIDAL effects
2nd Gen Antipsychotic MOA
D2 receptor Antagonist (antipsychotic effect, relief pos symptoms)
5-HT1 receptor antagonist (antidepressant)
5-HT2 receptor antagonist (negative symptom improvement)
5-HT2 receptor antagonist effects
Weight gain
Negative symptom improvement (apathy, social withdrawal)
Drug to treat tar dice dyskinesia
Valbenazine
Antipsychotic black box
Increased mortality in elderly w dementia psychosis
Clozapine warning
Agranulocytosis
Myocarditis, bradyardia
Orthostasis
Avoid P450 / 3A4
Interesting positie side effect of Clozapine
Decreased cigarette smoking
Drug specifically indicated for schizophrenia
Iloperidone
Paliperidone
Indicated for acute treatment of manic or mixed episodes, bipolar - acute schizo problems
Asenapine
Lithium indications
1st line for manic bipolar episodes and maintenance
Lithium contraindications
Renal or CV disease
Dehydration, sodium depletion
Patients receiving diuretics