Pharm - Depression Flashcards
MDD criteria?
At least five symptoms almost every day for at least two weeks, one of which must be depressed mood.
(Anhedonia, sleep disturbances, guilt/worthlessness, psychomotor retardation, etc).
Persistent Depressive Disorder criteria?
Chronic depressed mood for more days than not for the last two years
Monoamine hypothesis of depressive disorders
It’s caused by an insufficiency of Serotonin, norepinephrine and dopamine
SNRIs MOA
Side effects as a class
Selectively block serotonin and norepinephrine
Each one seems to have it’s own SEs, but the class has very few anticholinergic symptoms.
TCAs MOA?
SEs as a class?
What alternate problems can they be used for?
Blockade of norepinephrine and serotonin
Anticholinergic effects Sedation (take at bedtime) Cardiotoxicity (don’t use with heart disease) Orthostatic hypotension Lots of DDIs.
Can be used for pain, migraines and anxiety as well as depression.
MAOIs MOA?
SEs as a class?
Block monoamine oxidase in brain (increasing DA, 5HT, NOR)
CNS stimulation (agitation, anxiety, mania)
Orthostatic hypotension
Hypertensive crisis d/t tyramine-rich foods
DDIs!!!
SSRIs MOA?
SEs as a class?
Selectively block serotonin reuptake
Sexual dysfunction
CNS stimulation
LT weight gain
DDIs and Serotonin syndrome risk.
What would you tell a patient to watch for with Serotonin syndrome?
Sweating and fever
Sudden difficulty concentrating
CNS stimulation (anxiety, agitation, tremors, hyperreflexia)
Sudden poor coordination
What would you tell a patient to watch for with hypertensive crisis?
Severe headache and stiff neck
Nausea
Pounding heart (increased HR) and high BP
Nortriptyline:
Class
Unique SEs?
TCA
Standard SEs, but low for OH.
Moderate ACH, sedation, cardiotoxicity
Selegeline
Class?
SEs?
Anything unique?
MAO inhibitor
Available as a patch - less hypertensive crisis risk than oral MAOs.
Tyramine restriction occurs at doses over 9mg.
Same SEs as class: OH and CNS stimulation
Fluoxetine:
Class?
What’s unique?
SSRI
Used for OCD, too
Has an extra-long half life (1-4 days)
Activating (not sedating)
Sertraline:
Class?
What’s unique?
SSRI
Activating, not sedating
Vilazodone:
Class?
SEs?
What’s unique?
Atypical antidepressant (works on serotonin)
SEs: nausea and diarrhea
Unique because it is less likely to mess with sex life
Don’t use if there’s a history of seizures, though.
Vortioxetine:
Class?
What’s unique?
Atypical antidepressant: works on serotonin
Improves cognitive function
Trazodone:
Class?
SEs?
What’s unique?
Atypical antidepressant: works on serotonin
OH and Sedation (sometimes used for insomnia)
Warn about priapism (rare)
No ACH effects or cardiotoxicity.
Nefazodone
Class?
SEs?
What’s unique?
Atypical antidepressant (nor and serotonin)
Few sexual SEs and very little OH
But, you have to take 2x/day and it can mess up your liver.
Venlafaxine (and desvenlafaxine)
Class?
SEs?
SNRI
(Will act as an SSRI at a low dose)
GI upset
Increase in BP as dose increases
Very few anticholinergic effects, like the rest of the class.