exam 3 patty's drugs Flashcards
in general, how long does it take for antipsychotic drugs to change symptoms
1-2 weeks
during the stabilization period, how long should you wait before considering a change in prescription
6-12 weeks
for max absorption, ziprasidone and lurasidone should be given with
food
which drug should be taken with a high fat meal of 500 calories
ziprasidone
350 callories should be eaten with which med
lurasidone
for what medical reasons might someone stop taking meds
- neuroplectic malignant syndrome
- agranulocytosis
- drug reaction with eosniophilia
- systemic symptoms
- tartive dyskinesia
how should these drugs be stopped
gradually lowering the dose over time
-this diminishes the chances of withdrawal symptoms
how to treat parkinsonism
decrease dosage (increasing dopamine activity)
adding anticholinergic drug (decreasing acetylcholine)
(benztropine or trihexyphenidyl)
dystonic reactions usually start with what
oculogyric crisis
followed by torticollis (neck muscles pull head to side)
retrocolis (head pulled back)
how to treat dystonic reactinos
admin benztropine or diphenhydramine IM or IV
risperdone (risperdal) class
Atypical antipsychotic
risperdone moa
antagonist for D2 and 5-Ht2 and H1
indications for risperdone
- treatment of schizo
- short term treatment of acute manic or mixed episodes associated with bipolar 1
- irritability with autistic disorder
routes for risperdone
tablets and liquid
SE f risperdone
insomnia, agitation, anxiety, extrapyrimidal symptoms, headache, rhinitis, somnolence, dizziness, headache, constipation, nausea, dyspepsia, vomiting, abd pain, hypersalvation, tachy, orthostatic hypotension, fever, chest pain, coughing, photosensitive, wt gain
boxed warning for risperdone
increased mortality in elderly pts with dementia related psychosis
black box warning for risperdone
development of neuroleptic maligant syndrome
-observe for signs of tartive dyskinesia
-use caution in pts with cardiovascular disease
-can cause electrocardiographic changes
avoid during pregnancy
-avoid for hepatic or renal imparements
clozapine class
atypical
clozapine action
clozapine D1 and D2 blockade
produces fewer XPE than standard antipsychotics with lower risk for tartive dyskinesia
indications for clozapine
severely ill pts with schizo and have not responded to standard drugs
reduction in risk of recurrent suicidal behavior
clozapine SE
dry outh, heartburn, blurred vision, hematologic changes, seizures, tremmor, akathisia
boxed warning for clozapine
agranulocytosis (<500) most often within 4-10 weeks
-weekly counts needed and 4 weeks after discontinuation
how to treat akathisia
reduce dose
give a beta blocker
benztropine class
antiparkinsonism agent