Antidepressants Flashcards
Major categories of antidepressants
Selective Serotonin Reuptake Inhibitors (SSRIs)
Heterocyclic antidepressants (TCAs and tetracyclic antidepressants)
Monoamine Oxidase Inhibitors (MOAIs)
Most antidepressants require a trial of how long for noticeable effects
3-4 weeks
antidepressant withdrawal phenomenon sx?
dizziness, headaches, nausea, insomnia, and malaise
why are SSRIs the most commonly prescribed antidepressants?
low incidence of side effects and most resolve with time, no food restrictions, and much safer in overdose
6 examples of SSRIs
Fluoxetine, Sertraline, paroxetine, fluvoxamine, citalopram, escitalopram
SSRI with highest rick of GI disturbances
Sertraline (zoloft)
SSRI safe in pregnancy and used in children
Fluoxetine (prozac)
SSRI with anticholinergic like side effects of sedation, constipation, weight gain
Paroxetine (paxil)
SSRI with short half life leading to the withdrawal phenomena more often
Paroxetine
SSRI with fewest drug-drug interactions and fewer sexual side effects
Citalopram
what should you worry about in somebody who is taking a high dose SSRI and cough medicine
serotonin syndrome- over the counter cold remedies have drugs that increase serotonin
sexual side effects of SSRIs can be treated how?
augmenting the regimen with buproprion, changing to a non-SSRI antidepressant or by adding a medication like sildenafil for men
what is the FDA’s black box warning against all SSRIs for
“increased suicidal thinking and behavior”
side effects of SSRIs
sexual dysfunction, GI disturbances, insomnia, headache, anorexia, weight loss, restlessness, seizures and of course serotonin syndrome
what drugs taken with SSRIs increases risk for serotonin syndrome
MAOIs, triptans, over the counter cough remedies
SSRIs can increase levels of which drug which requires increased monitoring when starting and stopping these medications
warfarin
Venlafaxine, and duloxetine are what class of drug?
serotonin-norepi reuptake inhibitors (SNRIs)
Venlafaxine is often used for what?
generalized anxiety disorder
Venlafaxine should not be used in what kind of patients
patients with untreated or labile blood pressure (can increase blood pressure)
Duloxetine is often used for ?
depression and neuropathic pain or in fibromyalgia
Duloxetine may show more side effects in which kind of patients
liver disease or heavy alcohol use patients may have increased liver side effects
antidepressant with relative lack of sexual side effects
Bupropion (wellbutrin)
antidepressant that can lower seizure threshold
Bupropion
Bupropion should be used with caution in which patients?
patients with epilepsy and eating disorders (lowers seizure threshold)