Wk 4 Depression & Anxiety Pharmacology Flashcards
First line because of safety risks
SSRIs and SNRIs
Most depression and anxiety disorders are results of..
Some sort of neurotransmitter imbalance
Always assess
suicide risk
After starting drug, patient should be monitored for
6-8 weeks for efficacy
If patient has suicidal
may start meds on inpatient or daily outpatient basis
Takes __ to work
4-8 weeks
SSRI
Selective serotonin reuptake inhibitor
SSRI MOA
Inhibits serotonin at the nerve endings
More serotonin at nerve endings
GI adverse effects of SSRIs
Nausea, vomitting, diarrhea, constipation, dry mouth
CNS adverse effects of SSRIs
Headache, nervousness, insomnia
SSRIs other adverse effects
Sexual dysfunction, weight gain, serotonin syndrome, withdrawal syndrome, suicide risk
Occurs 2-72 hours after treatment, altered mental status, person becomes overloaded with serotonin
Serotonin syndrome
Serotonin syndrome usually occurs when you take two drugs that would
inhibit serotonin reuptake (MAOIs and SSRIs)
Withdrawal syndrome symptoms
Dizziness, headache, sensory disturbances, tremors, increased anxiety, dysphoria
Taking SSRIs while pregnant can increase risk of
Pulmonary hypertension in neonate and abstinence syndrome
fluoxetine (Prozac)
SSRI
sertraline (Zoloft)
SSRI
paroxetine (Paxil)
SSRI
citalopram (Celexa)
SSRI
escitalopram (Lexapro)
SSRI
Typically only __ generation SSRIs are prescribed
second
2 Nursing considerations for SSRIs
Don’t use with MAOIs and it takes 3-4 weeks to work
venlafaxine (Effexor)
SNRI
desvenlafaxine (Pristq)
SNRI
duloxetine (Cymbalta)
SNRI
SNRI
selective norepinephrine reuptake inhibitor
SNRI symptoms
Nausea, headache, anorexia, insomnia, somnolence, sexual dysfunction, withdrawal syndrome, sweating, blurred vision, increased LFTs (duloxetine)
Which SNRI can cause increased LFTs?
duloxetine
older generation of antidepressants
TCAs, MAOIs
TCA to know
amitriptyline (Elavil)
TCAs are very __ compared to newer drugs such as SSRIs or SNRIs
inexpensive
TCAs are associated with…
FATAL OVERDOSES
Norepinephrine and serotonin are called __ neurotransmitters
monamine
What are the anticholinergic effects?
Overheated, dry mucous membranes, blurry vision, red/flushed, confusion
TCAs have __ effects
anticholinergic
MAOI to know
phonelzine
Where is monoamine oxidase found?
Liver, intestinal walls, and terminals of neurons
What can you not take when on MAOIs?
Tryamine
What has tyramine in it?
Aged cheeses, smoked meat, yeast, red wine
Benzodiazepines use the CYP pathway so…
Avoid taking with grapefruit juice and fatty foods
Antidote to benzodiazepines
flumazenil (Romazicon)