final: chronic neuro drugs Flashcards
parkinson’s is an excess of ….. and a depletion of ….
excess of acetylcholine
depletion of dopamine
in order to treat parkinsons’ drugs must
increase dopamine
decrease acetylcholine
parkinson’s treatment only does what with the disease
delay the progression
levodopa/carbidopia (sinemet) used for
parkinson’s
Levodopa/Carbidopa (Sinemet) …. levodopa becomes
levodopa becomes dopamine in the brain and crosses the BBB
Levodopa/Carbidopa (Sinemet)… carbidopa does what
carbidopa gets the levodopa to the brain but doesnt cross the bbb
if Levodopa/Carbidopa (Sinemet) fails, suspect
a misdiagnosis of parkinson’s
SE of Levodopa/Carbidopa (Sinemet)
- n/v
- cardiovasccular
- hallucinations, CNS effects
- activates meanoma
- dyskinesias
Levodopa/Carbidopa (Sinemet) drug interactions
- MAO-I (hypertensive crisis)
- antipsychotics (block dopamine)
- high protein foods reduce terapeutic effects
instruct pt taking Levodopa/Carbidopa (Sinemet) to do what with meals
spread protein throughout the day
pramipexole (mirapex) uses
used for PRA-kinsons
pramipexole (mirapex) action
non-ergot dopamine agonist= direct activation of dopamine in striatum
pramipexole (mirapex) can be used how
alone or as adjunct to Ldopa/Cdopa
do not give pramipexole (mirapex) to those with impulse control disorder why
because it can cause SE like compulsive gambling (this is because of the direct dopamine activation_
SE of pramipexole (mirapex) when used alone
- nausea, constipation
- dizziness
- sleep disturbances and hallucinations
SE of pramipexole (mirapex) when combined with Ldopa/Cdopa
- orthostatic hypotension
- dyskinesias
- hallucinations
alzheimer’s disease is a depletion of
acetylcholine
to treat alzheimer’s disease, drugs must
increase acetylcholine
inhibiting acetylcholinesterase stops
the break down of acetylcholine
donepexil (aricept) class
acetylcholinesterase inhibitor