Antispasmodics are
muscle relaxants
centrally acting muscle relaxants
diazepam, baclofen, cyclobenzaprine, methocarbamol
peripherally acting muscle relaxant
dantrolene
dantrolene used for
malignant hyperthermia (2-3 min IV)
baclofen enhances _______
GABA
baclofen produces __________ _______ and depressess _________ __________ __ ____________
sedative effect, hyperactive spasticity of muscles
cyclobenzaprine IV used after
back surgery
muscle relaxants complications
CNS depression, nausea, constipation, generalized weakness, orthostatic hypotension
muscle relaxants nursing considerations
take with meals, increase fiber if constipation occurs
diazepam complication
hepatic toxicity
parkinsons meds do NOT _______ disease progression
halt
parkinsons meds relieves
dyskinesias (bradykinesia, resting tremors, muscle rigidity)
parkinsons meds mainain balance between ________ and ___________
dopamine, acetylcholine
parkinons meds inc ______ levels
dopamine
parkinsons meds only works for
several years (then switch meds)
parkinsons meds
levodopa, carbidopa
levodopa is converted to
dopamine
carbidopa inc amounts of _________ reaching the CNS
levodopa
levodopa/carbidopa: must give at _________ times
scheduled
levodopa/carbidopa: avoid
protein, pyridoxine (vit B6)
levodopa/carbidopa: side effects
dyskinesias, tachycardia, palpitations, dyrhythmias, psychosis, eye spasms
pramipexole/ropinirole ________ dopamine receptors
activates
pramipexole/ropinirole: used as ________ early in disease
monotherapy
pramipexole/ropinirole: late in disease used as adjunct with _____________________
levodopa/carbidopa
dopamine agonist meds
pramipexole, ropinirole, selegiline, rasagiline, amantadine
pramipexole and ropainirole side effects
daytime drowsiness, postural hypotension
ropinirole can damage
fetus
selegiline/rasagiline: prevents dopamine ________
breakdown
selegiling/rasagiline works with ________________ to decrease “wear-off” effect
levodopa/carbidopa
selegiline/rasagiline only works for about
2 y
amantidine prevents dopamine
reuptake
dopamine agonists nursing considerations
eventual loss of effects, initially no effects, medication holidays, avoid high protein, do not stop abruptly
alzheimers meds
donepezil, memantine, rivastigmine
alzhiemer meds improve
cognition, behavior, ability to do ADLs
rivastigmine decreases ________ side effects
nausea/vomiting
donepezil increases level of
acetylcholine
meds for advanced alzheimers
memantine, rivastigmine
med for all stages of alzheimers
donepezil
anti-epileptic actions
slows entrance of Na and Ca back into neuron, suppresses neuron firing, enhances inhibitory effects of GABA
traditional anti-epileptic meds
phenobarbital, primidone, phenytoin, carbamazepine, valproic acid
new anti-epileptic meds
lamotrigine, levetiracetam, topiramate, oxycarbazepine, gabapentin, pregabalin
traditional anti-epileptic complications
CNS effects, gingical hyperplasia, blood dyscrasias
newer anti-epileptic complications
CNS effects, skin disordeers, sedation, dizziness, vision problems
anti-epileptic nursing considerations
controls seizures, no sudden cessation, therapeutic plasma levels drawn
phenobarbital used for _________ __________ in kids
febrile seizures
phenytoin: __________ TI
narrow
phenytoin: dont give more than ______ mg per min
50 (bradycardia)
phenytoin: dont mix with __________ _________ bc it dec effectiveness and absorption of med
tube feeding
phenytoin: interacts with
heparin
phenytoin: side effect
enlargement of gums
phenytoin: risk for
bleeding, anemia, infection
phenytoin: __________ for OB patients
iaratogenic
levetiracetam side effect
suicidal ideations
levetiracetam: caution with
mental disorders