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Neuro Antipsychotics
Neuroscience Block Antipsychotic Drugs
5
Medical
Professional
03/22/2008

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Cards

Term
Chlorpromazine
Definition
  • MOA: blocks postsynaptic DA R in the mesolimbic syst & incr DA turnover by blockade of the D2 R. Decr DA-->antipsychotic effects
  • USE: antipsychotic, anxiety
  • TOX: Extrapyramidal effects (from D2 blockade)
Term
Haloperidol
Definition
  • MOA: blocks postsynaptic DA R (D2) in the mesolimbic system & Incr DA turnover by blockade of the D2 R
  • USE: antipsychotic, antiemetic (DA blockade in chemoR trigger zone), HD
  • TOX: hypotension, reflex tachy (blockade of a1 adrenergics), extrapyramidal  effects (due toD2 blockade)
Term
Clozapine
Definition
  • MOA: blocks D1 and D4 receptors; its effects on D2 R are relatively less than traditional antipsychotics
  • USE: antipsychotic, schizophrenia
  • TOX: less extrapyramidal  efects bc doesn't block D2R
Term
Risperidone
Definition
  • MOA: selective monoaminergic antagonist with a high affinity for both ST 5-HT2 and DA D2 R
  • USE: antipsychotic, bipolar disorder,  schizophrenia
  • TOX:
Term
Aripiprazole
Definition
  • MOA: partial agonist at the DA D2 and at the ST 5-HT1A R and antagonist at the ST 5-HT2AR
  • USE: antipsychotic, bipolar, schizophrenia, MDD
  • TOX: low CV effects, fewer extrapyramidal effects
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