Dopaminergic Drugs Flashcards
1
Q
Levodopa
A
- DA precursor: crosses BBB and is converted to DA
- Given with carbidopa for parkinson’s unless pt is young
- Side effects: dyskinesias, hypotension, nausea, anxiety, fatigue, psychoses
- MAOA inhibitors are contraindicated
2
Q
Carbidopa
A
- AAAD inhibitor: inhibits peripheral conversion of L-DOPA into DA, does not cross BBB
- Given with levodopa in parkinson’s
- Side effects: dyskinesias, on-off phenomenon
- MAOA inhibitors are contraindicated
3
Q
Buproprion
A
- Norepi-DA reuptake inhibitor: NRDI: Blocks DAT to increase DA in synapse
- Parkinson’s, depression
- Side effects: insomnia, anxiety, agitation, nausea, dry mouth, sweating, palpitations, mild increase in BP
4
Q
dextroamphetamine; lisdexamfetamine
A
- Stimulant: blocks DAT and increases VMAT2
- ADHD
- NE and DA side effects, weight loss, addictive, psychosis
5
Q
Modafinil; Armodafinil
A
- Stimulant: increases histamine activity at the tuberomamillary nucleus, may block DAT
- Side effects: fatigue, narcolepsy, apnea, addiction
6
Q
Selegiline
A
- MAO-B inhibitor: prevents breakdown of DA
- Early parkinson’s, depression
- Side effects: hypotension, dizziness, insomnia, weight gain, N/V
- Comes in patch form for depression:EMSAM
7
Q
Rasagiline
A
- MAO-B inhibitor: prevents breakdown of DA
- Early parkinson’s
- Side effects: hypotension, dizziness, insomnia, weight gain, N/V
8
Q
Tranylcypromine (Parnate); Isocarboxazid (Marplan); Phenelzine (Nardil)
A
- MAOI: irreversibly inhibit both MAO-A and MAO-B
- Depression
- Side effects: hypotension, dizziness, insomnia, weight gain, hypertensive crisis (tyramine), serotonin syndrome (MAOI+SSRI)
9
Q
Entacapone
A
- COMT inhibitor:prevents breakdown of DA
- Parkinson’s
- Side effects: nausea, fatigue, DA side effects
- Short acting
10
Q
Tolcapone
A
- COMT inhibitor: prevents breakdown of DA
- Parkinson’s
- Nausea, fatigue, liver failure, DA side effects
- Only use if entacapone fails
11
Q
Bromocriptine
A
- Ergot D2 receptor agonist: Increase DA activity
- Mild parkinson’s, RLS, hyperprolactinemia
- Side effects: mania, nausea, dizziness, fatigue, peripheral DA effects
12
Q
Pramipexole; ropinerole
A
- Selective D2 receptor agonist, increases DA activity
- Mild parkinson’s, RLS
- Side effects: mania, nausea, dizziness, fatigue, peripheral DA-effect
13
Q
Apomorphine
A
- D2 receptor agonist, increases DA activity
- Mild parkinson’s, RLS
- Side effects: mania, nausea, dizziness, fatigue, peripheral DA effects
- Injectable only
14
Q
Aripiprazole
A
- D2 and D3 receptor (parial) agonist, increases DA activity
- Schizophrenia, depression
- Side effects:akathisia
15
Q
Amantadine
A
- Antiviral: stimulates D2 receptors, blocks DAT (?)
- Mild parkinson’s, influenza
- Side effects: nausea, dizziness, psychosis, insomnia, seizures
- Contraindicated in elderly with dementia