exam 5 antidepressants Flashcards
What are the types of depression?
reactive, major depressive disorder, bipolar
goals of therapy: reduce signs and symptoms
Current treatment for depression?
SSRIs, atypical, dual acting
what are clinical features of depression?
physiological: decreased sleep, appetite changes, fatigu
pyschological: dysphoric mood, worthlessness, guilt
cognitive: decrease cognition and suicidal ideation
what are drugs that induced depression?
antihypertensive and CV: BB, clonidine, prazosin
sedative hypnotics: alcohol, BZD, barbituates
anti-inflammatory and analgesics: opiates
steroids
what is the neurotrophic hypothesis of depression?
BDNF is important for neuronal connections
stress and pain decreases BDNF
BDNF is antidepressant in animals
BDNF can be dendritic sprouts that promote neural connections
How long does it take to see therapuetic response?
2-3 weeks for response
what is the mechanism of MAOIs?
MAO acts to break down NE and 5HT
MAOi inhibits this to increase NE and 5HT in vesicles
what are the MAOi drugs?
non selective: phenelzine, tranylcypromine
MOA-B selective: selegiline
MOA-A selective: moclobemide
What are MAOI side effects?
HTN crisis with tyramine foods
interactions with Rx: TCAs, SSRIs, LDOP, st johns wort
where do reuptake blockers bind to?
allosteric sites
what are indications for TCAs?
depression, panic, enuresis, pain
What drug class is it easy to overdose?
TCAs because you only need 10x the dose
what are TCAs MOA?
inhibit NET, SERT, H1, antimuscarinic, antiadrenergic
sides: sedation and weight gain
what are TCAs?
tertiary amine: imipramine, amitripyline, doxepin, clomimpramine
secondary: desipramine, nortripyline, maprotiline
what are the benefits of secondary amines?
better at NET than SERT
less sides
what are SSRIs?
fluoxetine, fluvoxamine, paroxetine, sertraline, citalopram, escitalopram