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51 Cards in this Set

  • Front
  • Back
What is the mechanism of action of tricyclic antidepressants?
inhibit the reuptake of serotonin and NE
What are tricyclic antidepressants used for?
major depression, panic attacks, OCD
What are the common s/e and a/e of tricyclic antidepressants?
orthostatic hypotension
cardiac dysrhythmics
sedation
anticholinergic effects
weight gain
seizures
sexual dysfunction
What are some important pt teaching for tricyclic antidepressants?
several wks. or more for full effect
inform MD of intention to become pregnant
What is the prototype for tricyclic antidepressants?
Tofranil
What is the mechanism of action of atypical antidepressants?
inhibit serotonin and NE reabsorption and increase levels of serotonin, NE and dopamine in the central nervous system
What are atypical antidepressants used for?
major depression
What are the common s/e and a/e of atypical antidepressants?
anticholinergic effects, Stevens-Johnson syndrome, seizures, orthostatic hypotension
What are the selective serotonin reuptake inhibitors mechanism of action?
block the reuptake of serotonin into presynaptic nerve terminals
What are SSIRs used for?
depression, anxiety, OCD and panic attacks
What are the common s/e and a/e of SSRIs?
nausea, dry mouth, insomnia, somnolence, HA, nervousness, anxiety, GI disturbances, dizziness, anorexia, fatigue
What are some important pt teaching for SSRIs?
5 wks to reach full effect
What is the protoype drug for SSRIs?
Zoloft, Lexapro
What are the monoamine oxidase inhibitors mechanism of action?
limits the breakdown of NE, dopamine and serotonin in the CNS neurons
What are MAOIs used for?
depression
What are the common s/e and a/e of MAOIs?
anticholonergic effects, orthostatic hypotension, anorexia, resp. collapse, hypertensive crisis, circulating collapse
What are some important pt teaching for MAOIs?
avoid foods with tyramine
avoid caffeine
What is the prototype drug for MAOIs?
Nardil
What are the benzodiapenes mechanism of action for anxiety and insomnia?
bind to the GABA receptor and intensify it
What are the common s/e and a/e of benzodiapenes?
change in sleep patterns, paradoxial excitation, menstrual irregularities, Stevens-Johnson syndrome,
What are some important pt teaching for benzodiapenes?
avoid etoh or other CNS depressants
avoid caffeine, do not take if pregnant
What is the prototype drug for benzodiapenes?
Ativan
What is the reversal agent of Ativan?
Romazicon
What is the mechanism of action of barbiturates?
enhance the inhibitory mechanisms of GABA and directly mimic the actions of GABA
What are barbiturates used for?
sedation and insomnia
What are the common s/e and a/e of barbiturates?
CNS depression, hypotension, shock, bradycardia, respiratory depression, acute toxicity
What are some important pt teaching for barbiturates?
can decrease effectiveness of oral contraceptives
report s/s of bleeding
avoid etoh use
avoid taking gingko bilba
What is the prototype drug for barbiturates?
Phenobarbital
What is the mechanism of action of phenothiazines?
prevent dopamine and serotonin from occupying their receptor sites in certain regions of the brain
What are phenothiazines used for?
psychoses
What are the common s/e and a/e of phenothiazines?
anticholonergic effects, sexual dysfunction, menstrual disorders, extrapyramidal s/e, neuroepileptic malignant syndrome, CNS depression
What are some important pt teaching for phenothiazines?
report s/s of EPS or NMS
document each dose
do not stop taking
What is the prototype drug for phenothiazines?
Thorazine
What is the prototype drug for nonphenothiazines?
Haldol
What is the mechanism of action of atypical antipsychotics?
block dopamine receptors, serotonin and alpha-adrenergic receptors
What are the common s/e and a/e of atypical antipsychotics?
decreased libido, osteoporosis, impotence, alter glucose metabolism
What are some important pt teaching for atypical antipsychotics?
increase intake of fruits and veggies
What is the prototype drug for atypical antipsychotics?
Clozaril
What is the reversal agent of Clozaril?
charcoal w/ sorbitol
What is rebound insomnia?
occurs when a sedative drug is discontinued abruptly or after it has been taken for a long time; sleeplessness and symptoms of anxiety then become markedly worse
What is behavioral insomnia?
often attributed to stress caused by a hectic lifestyle or conflicts
What is long-term insomnia?
often caused by depression, manic disorders and chronic pain
What is sleep debt?
when clients are deprived of REM sleep; become frightened, irritable, paranoid, impaired judgment, and have a slow reaction time
What are the physiological implications to lack of sleep?
body cannot repair itself, brain cannot process and fill new info collected throughout the day, cannot regulate body temp, BP, hormone levels, and RR
What is the relationship between suicide ideation and antidepressants?
whenever a pt starts taking a antidepressant they start to feel good but not great which gives them the energy and motivation to commit suicide
What are the contraindications to alprazolam therapy?
acute narrow angle glaucoma
pregnancy
What is Stevens-Johnson syndrome and which drugs can result in it?
S/S: upper respiratory infection w/ chills, fever, and malaise
generalized blister like lesions
skin sloughing of 10% of body
extreme mania and suicidality
abdominal bleeding
atypical antidepressants
benzodiapenes
What are extrapyramidal s/e?
dystonias- severe muscle spasms
akathisia- inability to rest or relax
parkinsonism- tremor, muscles rigidity, stooped posture, shuffling gait
tardive dyskinesia- unusual tongue and face movements
What is Serotonin syndrome?
Serotonin accumulates in the body; S/S: confusion, anxiety, restlessness, HTN, tremors, sweating, hyperpyrexia, ataxia(unsteady gait), hyperthermia, muscle rigidity
Discuss the interaction between foods containing tyramine and MAOIs.
tyramine is usually degraded by MAO in the intestines but if pt is taking MAOIs tyramine enters the bloodstream in high amounts and displaces NE in presynaptic nerve terminals; sudden release of NE causing HTN
Describe lithium toxicity.
lithium acts like sodium in the body so conditions in which sodium is lost, excessive sweating or dehydration, can cause toxicity
S/S: vomiting, diarrhea, slurred speech, decreased coordination, drowsiness, muscle weakness, twitching