Shared Flashcard Set

Details

Pharm- antipsychotics/Mood stabilizers
Psych week 1
55
Medical
Graduate
08/22/2018

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Cards

Term
What is the precursor for DA, NE, and EPI?
Definition
Tyrosine
Term
What receptors get activated by DA at high doses?
Definition
Alpha 1&2
Term
What are the dopamine pathways and their functions?
Definition
1) Mesocortical- higher order cognition
2) Mesolimbic- reward pathway
3) Nigrostriatal- movement
4) Tuberoinfundibular- prolactin
Term
FX of DA receptor antagonists
Definition
Worsening negative symptoms, relief of positive symptoms, extrapyramidal symptoms, hyperprolactinemia
Term
MOA of "typical" (first gen) antipsychotics
Definition
Block D2 receptors in brain
Term
What is the black box warning associated w/ all antipsychotics?
Definition
Increased risk of death in dementia patients
Term
Which FGA has the most anticholinergic/CV risks?
Definition
chlorpromazine
Term
Which FGA is also approved for bipolar and N/V tx?
Definition
chlorpromazine
Term
MOA of "atypical" (second gen) antipsychotics?
Definition
Block D2 as well as 5HT receptors
Term
For which SGAs should we use caution on the dose w/ smoking and fluvoxamine?
Definition
Clozapine/olanzapine (CYP1A2)
Term
For which SGA is concomitant use of 2D6 inhibitors like paroxetine, fluoxetine, and bupoprion an issue?
Definition
Risperidone, aripiprazole
Term
For which SGAs should we use caution w/ antifungals and other 3A4 inhibitors?
Definition
Quetiapine, Ziprasidone, aripiprazole
Term
What affect does dopamine have on prolactin release from the hypothalamus?
Definition
Inhibits
Term
Which SGAs are most likely to cause weight gain?
Definition
Clozapine, olanzapine
Term
Which SGAs are most likely to cause hyperprolactinemia?
Definition
Risperidone, paliperidone
Term
Which SGA is most sedating?
Definition
Clozapine
Term
Which SGAs cause the most QT prolongation?
Definition
Thioridazine, ziprasidone
Term
Which SGA starts to act like an FGA above 8mg
Definition
Risperidone
Term
Which SGA requires a dose adjustment when CrCl <80mL/min
Definition
Paliperidone
Term
Which SGAs have higher risk of akathisia?
Definition
Aripiprazole, lurasidone
Term
Black box warnings for clozapine?
Definition
Agranulocytosis, myocarditis, seizure, orthostatic hypotension, death in dementia pts
Term
When can we start a pt on clozapine?
Definition
After they have failed at least 2 separate antipsychotic regimens
Term
Which is the most common form of EPS?
Definition
Akathisia (inner restlessness)
Term
Which EPS may be permanent?
Definition
Tardive dyskinesia
Term
How do we assess EPS?
Definition
Abnormal Involuntary Movement Scale (AIMS)
Term
Which FGAs present the highest risk for EPS?
Definition
Haloperidol, thiothixene, fluphenazine
Term
Which SGAs present the highest risk for EPS?
Definition
Risperidone, paliperidone
Term
General tx of EPS?
Definition
Diphenhydramine, cogentin, or propranolol for akathisia
Term
Tx for tardive dyskinesia
Definition
1) D/C med
2) Switch med (FGA -> SGA)
3) adjuncts like clonazepam, gingko, amantidine, VMAT2 inhibitors
Term
Valbenazine MOA?
Definition
VMAT2 (vesicular monoamine transporter 2) inhibitor -> lowers synaptic levels of monoamines
Term
Which VMAT inhibitors are approved in treating Huntington's?
Definition
Tetrabenazine, deutetrabenazine
Term
Which antipsychotics are available as long-acting injectables?
Definition
FGA: haloperidole & fluphenazine
SGA: aripiprazole, olanzapine, risperidone, paliperidone
Term
First-line tx for manic or mixed bipolar?
Definition
Valproic acid (VPA) + antipsychotic (APY)
Alternative: Li + APY
Term
First line tx for depressive bipolar?
Definition
Li or lamotrigine
Consider Li + antidepressant (bupoprion/paroxetine)
Term
First-line for bipolar maintenance
Definition
Li or VPA
Alternative: carbamazepine (CBZ)
Term
Therapeutic range for Li?
Definition
0.6-1.2
Term
What should we monitor in Li patients?
Definition
Lithium levels
Insipidus (DI)
TSH
Hydration
Term
How can we treat Li overdose?
Definition
Hemodialysis
Term
What effect does Na status have on Li levels?
Definition
Inverse relationship: low Na can raise Li
Term
Which meds can raise Li concentration?
Definition
Thiazide/loop diuretics, NSAIDs, ACEs/ARBs
Term
Which meds can lower Li concentration
Definition
Osmotic diuretics, caffeine, theophylline, verapamil
Term
What is an alternative application for VPA?
Definition
Seizure disorders
Term
Which mood stabilizer is contraindicated in liver disease?
Definition
VPA
Term
Black box warnings of VPA?
Definition
Pancreatitis, teratogenic fx, hepatic failure
Term
You started a pt on VPA and now they're having MS changes. What could be the culprit?
Definition
Hyperammonemia
Term
Adverse fx of VPA?
Definition
Rash/SJS/TENS, alopecia, weight gain, N/V/D, thrombocytopenia
Term
What is the proposed MOA of lamotrigine?
Definition
Blocks VG-Na channels, decreases presynaptic aspartate/glutamate
Term
What effect on lamotrigine level can OCPs have?
Definition
Decrease
Term
BBW for lamotrigine?
Definition
SJS, TENS
Term
Which mood stabilizer can cause agranulocytosis?
Definition
lamotrigine
Term
Proposed MOA of carbamazepine?
Definition
similar to lamotrigine; + blocks Ca influx through NMDA receptors -> lower Ca serum levels
Term
Which mood stabilizers can metabolize themselves (auto-induction)?
Definition
Lamotrigine, carbamazepine
Term
BBW for carbamazepine?
Definition
SJS, TENS, DRESS
Term
Unique adverse fx of carbamazepine?
Definition
Hyponatremia
Term
Antipsychotic combo used to tx mood disorders?
Definition
Olanzapine/fluoxetine
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