Pharm 12 Flashcards

(30 cards)

2
Q

Enhances dopaminergic neurotransmission.

SE’s include CNS excitation, acute toxic psychosis and livedo reticularis

A

Amantadine

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3
Q

MAO-B Inhibitor (which metabolizes dopamine), used adjunct to levodopa or as sole agent in newly diagnosed Parkinson pts

A

Selegiline

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4
Q

Inhibitors of catechol-O-methyltransferase (COMT), used as adjuncts in Parkinson and cause acute hepatic failure (monitor LFT’s)

A

Entacapone and Tolcapone

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5
Q

Agent decreases the excitatory actions of cholinergic neurons. May improve tremor and rigidity but have LITTLE effect on bradykinesia. Atropine-like side effects

A

Benztropine

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6
Q

Agent effective in physiologic and essential tremor

A

Propranolol

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7
Q

Agents used in Huntington’s Disease

A

Tetrabenazine (amine depleting drug), Haloperidol (antipsychotic)

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8
Q

Agents used in Tourette’s

A

Haloperidol or pimozide

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9
Q

Chelating agent used in Wilson’s disease

A

Penicillamine

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10
Q

Extrapyramidal dysfunction is more common with these agents, which block this subtype of dopamine receptor

A

Older high potency typical antipsychotic agents (haloperidol, fluphenazine, pimozide)

Block D2 receptors

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11
Q

Antipsychotics that reduce positive symptoms only

A

Older antipsychotics

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12
Q

Newer atypical antipsychotics that also improve some of the negative symptoms and help acute agitation

A

Olanzapine and aripiprazole

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13
Q

Newer atypical antipsychotic used for bipolar disorder, known to cause weight gain, and adversely affect diabetes

A

Olanzapine

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14
Q

Agent more frequently associated with extrapyramidal side effects that can be treated with benzodiazepine, diphenhydramine or muscarinic blocker

A

Haloperidol

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15
Q

Agents may exacerbate tardive dyskinesias (may be irreversible and there is no treatment)

A

Muscarinic blockers (atropine, scopolamine, ipratropium, benztropine, oxybuntin)

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16
Q

Antipsychotic having the weakest autonomic effects

A

Haloperidol

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17
Q

Only phenothiazine not exerting antiemetic effects.

Can cause visual impairment due to retinal deposits, and high doses have been associated with ventricular arrhythmias

18
Q

Anti-psychotics available in depot preparation (injected, slow release)

A

Fluphenazine and haloperidol

19
Q

Reduced seizure threshold

A

Low-potency typical antipsychotics (chlorpromazine, thioridazine) and clozapine (atypical)

20
Q

Orthostatic hypotension and QT prolongation

A

Low potency (chlorpromazine, thioridazine) and risperidone (atypical)

21
Q

Increased risk of developing cataracts

22
Q

Drug increases the renal clearance hence decreases levels of lithium

23
Q

Lithium is associated with this congenital defect

A

Cardiac anomalies and is contraindicated in pregnancy or lactation

24
Q

Example of three antidepressants that are indicated for obsessive compulsive disorder

A

Clomipramine, fluoxetine and fluvoxamine

25
Q

Neurotransmitters affected by the action of antidepressants

A

Norepinephrine and serotonin

26
Usual time needed for full effect of antidepressant therapy
2 to 3 weeks
27
Population group especially sensitive to side effects of antidepressants
Elderly patients
28
All antidepressants have roughly the same efficacy in treating depression, agents are chosen based on these criterion
Side-effect profile and prior pt response
29
Well-tolerated and are first-line antidepressants
SSRI's, bupropion, and venlafaxine
30
Most useful in patients with significant anxiety, phobic features, hypochondriasis, and resistant depression
Monamine oxidase inhibitors
31
Condition will result from in combination of MAOI with tyramine containing foods (ex. wine, cheese, and pickled meats)
Hypertensive crisis