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ANTIPSYCHOTICS (USES (BMD, OCD, schizophrenia, tourette syndrome),…
ANTIPSYCHOTICS
USES
BMD
OCD
schizophrenia
tourette syndrome
ATYPICAL
EG.
olanzapine
risperidone
clozapine
ziprosidone
quetiapine
aripiprazole
MOA
block D2 receptors
aripiprazole is partial D2 agonist
5HT2 blocker (auto-receptor therefore increased 5HT)
SIDE EFFECTS
olanzapine = obesity
risperidone = hyperprolactinemia
fewer extrapyramidal and anticholinergic side effects than typical antipsychotics
clozapine = agranulocytosis
prolonged QT interval esp in ziprasidone
1ST GENERATION
EG
high potency - try to fly high
Flufenazine
Haloperidol
Trifluoperazine
low potency - cheating thieves lie low
chlorpromazine
thioridazine
MOA
blocking of the D2 receptors
SIDE EFFECTS
endocrine s/e
hyper prolactinemia
neuroleptic malignant syndrome
myoglobinuria
rigidity
hyperthermia
RX: DANTROLENE
extrapyramidal s/e (d2 blockade)
acute dystonia
akathasia, parkinsonism
tardive dyskinesia
alpha1 blockade
postural hypotension
anitcholinergic s/e
dry mouth
urine retension
flushing