What are examples of low-potency typical antipsychotics? Right Ans -
chlorpromazine (thorazine)
thioridazine (mellaril)
What are examples of midpotency typical antipsychotics? Right Ans -
loxapine (loxitane)- metabolite is an antidepressant
thiothixene (navane)
molindone (moban)
perphenazine (trilafon)
What are examples of high potency typical antipsychotics? Right Ans -
haloperiodol (haldol)
fluphenazine (prolixin)
trifuluoperazine (stelazine)
pimozide (orap)
What is the specific side effect of loxapine? Right Ans - loxapine (loxitane)
= midpotency first generation antipsychotic
higher risk of seizures
What are specific side effects of chlorpromazine? Right Ans -
chlorpromazine (thorazine)= low potency first generation typical
antipsychotic
Commonly orthostatic hypotension
blue-gray skin discoloration
corneal deposits
photosensitivity
*used to treat nausea and vomiting, as well as intractable hiccups*
What are specific side effects of thioridazine (mellaril)? Right Ans -
associated w/ retinitis pigmentosa
What else is trifluoperazine (stelazine) approved for? Right Ans - use for
nonpsychotic anxiety
,What are specific methods of delivery of haloperidol and what is its long
acting form? Right Ans - PO/IM/IV
long acting form available
*note: high potency antipsychotics are often given as intramuscular injection
to tx acute agitation or psychosis*
What is the difference between typical and atypical antipsychotics w/r to the
receptors they block? Right Ans - first gen/typical= block D2 receptors
second/atypical= block D2 and serotonin (2A) receptors
What side effects do we see with low-potency typical antipsychotics? Right
Ans - - more *antiHistaminic [sedation, weight gain], antiAndrinergic
[hypotension], and antiMuscarinic [dry mouth, blurry vision, urinary
retention, constipation] ("HAM")* side effects compared to high potency
typical antipsychotics
but lower inidence of EPS and NMS
- more leathality in overdose due to *QTc prolongation* and potential for
heart block/ventricular tachycardia
- rare risk of agranulocytosis and slightly *higher seizure risk* than high
potency antipsychotics
Long acting form is available for which two high potency typical
antipsychotics? why is this useful? Right Ans - haloperidol
fluphenazine (prolixin)
Good for patients who don't take their meds regularly!
What side effects do we see with high-potency typical antipsychotics? Right
Ans - EPS - hours to days
- Parkinsonism
- Akathisia
- Dystonia
*Reversible* with benztropine ("Cogentin"; anticholinergic agent)
Tardive dyskinesia (choreoathetoid movements of mouth and tongue) - years
*Irreversible*
Hyperprolactinemia - MAY ALSO BE CAUSED BY RISPERIDONE
, Neuroleptic malignant syndrome Right Ans - *fever*, autonomic instability,
leukocytosis, tachycardia, tremor, elevated CPK, *rigidity ("lead pipe")*,
excessive sweating, delirium ("FALTERED); treatment = supportive,
dantroline/ bromocriptine/ amantadine; note that one episode increases risk
of future episodes
CYP450 inducers Right Ans - *Carbamazepine*
Rifampin
Alcohol
Phenytoin
Griseofulvin
Phenobarbital
St. John's wort/ Sulfonylyreas
Tobacco
(CRAP GPS)
CYP450 inhibitors Right Ans - Bactrim
Grapefruit juice
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Zendaya. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $21.99. You're not tied to anything after your purchase.