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Prep4USMLE Forum » USMLE Step 2 CK Forum » Psychiatry & Ethics

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drduck
Forum Guru

Topics: 82
Posts: 529

01/21/08 - 10:39 PM

on what receptors does risperidone has its chief action.

dopamine
serotonine
adrenergic
cholinergic
neuro muscular jn.

arlete
Intern in 2009!!!!!
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Topics: 30
Posts: 2,227

01/22/08 - 07:34 AM

dopamine

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kpmle2
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Topics: 33
Posts: 297

01/22/08 - 07:42 AM

dopamine

Ivonne
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Topics: 55
Posts: 1,450

01/22/08 - 07:52 AM

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drduck
Forum Guru

Topics: 82
Posts: 529

01/22/08 - 09:29 AM

oh........
i thought it was 5HT3 receptor, on which rispr. prim. acts...
it is an atypical antipsychotic......
i read lippincott's pharmacology and it is clearly written on there that RISPERIDONE BLOCKS 5HT2 RECEPTOR MORE THAN THE D2 RECEPTOR.

and thats why they dont hav the conventional side effects of antipychotics.

i m really confused,
plz correct me if i m wrong.

lampard
Forum Newbie

Topics: 6
Posts: 30

02/01/08 - 11:06 PM

yup...

risperidone acts more prominently on 5HT receptors... Hence the atypical ADR.

dr ruman
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Topics: 29
Posts: 412

02/29/08 - 10:01 AM

serotonin receptor is correct

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PGI2alpha
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Topics: 7
Posts: 447

02/29/08 - 10:04 AM

it is 5 HT3 for sure....

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