406 E2 drugs Flashcards
what class is sumatriptan
serotonin receptor agonists
sumatriptan MOA
-constrict intracranial blood vessels
-suppress release of inflam. neuropeptides
-block brain pathways for pain
sumatriptan routes
subq, PO, intranasal
sumatriptan SE
injection site rx
chest pressure
flushing
weakness
headache
bad taste (nasal)
sumatriptan nursing considerations
avoid w/ ischemic stroke, heart disease & angina
what class is rimegepant
CGRP antagonists
rimegepant MOA
mediates pain transmission
rimegepant SE
GI upset
rimegepant considerations
CYP substrate
dopaminergic drugs
enhance dopamine
anticholinergic drugs
block the effects of ACH
levodopa/carbidopa MOA
-levodopa: converts to dopamine in the brain and activates dopamine receptors
-carbidopa: blocks destruction of levodopa
levodopa/carbidopa advantages
most effective drug for PD
levodopa/carbidopa disadvantages
-several months to see improvement
-does not work long term
-adverse effects
levodopa/carbidopa key teaching points
-“on-off” phenomenon
-avoid high proteins meals
levodopa/carbidopa SE
-N/v
-dyskinesias
-postural hypotension
-dysrhythmias
-psychosis/hallucinations/nightmares
-paranoia
-darken sweat & urine
-activate malignant melanoma
what decreases the effects of levodopa
vitamin B6
antipsychotics
protein
what increases the effects of levodopa
carbidopa
anticholinergics
MAOIs (can lead to toxicity)
duopa
-G or J tube infusion levodopa/carbidopa
-gel form
-infuse up to 16hr/d
duopa teaching points
-do not take within 2 weeks of nonselective MAOI
-avoid high protein foods
duopa SE
-falling asleep w/o warning
-orthostatic hypotension
-hallucinations
-unusual urges
-depression
-dyskinesia
what class is pramipexole
dopamine receptor agonist
pramipexole MOA
binds w/ D2 receptors
pramipexole indications
-monotherapy in early PD
-combo w/ sinemet w/ advanced PD
-restless leg syndrome
pramipexole SE
-nausea
-sleep attacks
-pathologic gambling & compulsive behaviors
pramipexole + levodopa SE
-orhtostatic hypotension
-dyskinesias
-hallucination risk doubles