Exam 1 Flashcards
Criteria to diagnose depression
Symptoms cause significant distress/impairment, episode not attributable to substance or other medical condition
Which is not a lab test used to rule out reversible causes of depression.
- TSH
- BMO
- Cortisol
- CRP
CRP
Serotonin is responsible for
Memory, emotions, sleep/wake
Dopamine is responsible for
Motivation, movement, attention, cognition
NE responsible for
Wakefulness, arousal, fight or flight
Antidepressant mechansm
Antidepressants block the NT reuptake pump causing more NT to be in the synapse
Antidepressant time to clinical effect for depression
2-4 weeks: Energy
4-6 weeks: Mood
Antidepressant efficacy directly results from
Decrease in receptor sensitivity
Drug Class: Isocarboxazid
MAOI
Drug Class: Phenelzine
MAOI
Drug Class: Selegiline
MAOI
Drug Class: Tranylcypromine
MAOI
MOAIs pose significant risk for
Serotonin syndrome and hypertensive crisis
MAOIs require a washout period of
10-14 days
How long do you have to wait to start an MAOI after discontinuing fluoxetine
5 weeks
Which antidepressant has dietary restriction
MAOIs, foods with tyramine
Drug Class: Amitriptyline
TCA
Drug Class: Desipramine
TCA
Drug Class: Doxepin
TCA
Drug Class: Imipramine
TCA
Drug Class: Nortiptyline
TCA
Secondary Amines of TCAs
Desipramine, Nortriptyline
Tertiary amines of TCAs
Amitriptyline, Doxepin, Imipramine (IDA)
Amitriptyline can also be used for
Migraine prophylaxis
Desipramine other indication
Urinary incontinence
Doxepin other indication
Insomnia at low doses
TCAs use in elderly
Avoid due to high risk of sedation
Rank antidepressants classes in order of tolerance from least to greatest
MAOI, TCA, SNRI, SSRI
Drug Class: Duloxetine
SNRI
Drug Class: Venlafaxine
SNRI
Drug Class: Desvenlafaxine
SNRI
Duloxetine indications
Depression, diabetic neuropathy, fibromyalgia, skeletal muscle pain
Duloxetine inhibits
CYP2D6
Which SNRI has a renal cutoff
Duloxetine, avoid if CrCl<30
Duloxetine has risk of
Hepatotoxicity, monitor LFTs
Which SNRI has very difficult discontinuation
Venlafaxine
Venlafaxine MOA in regards to dosing
Low doses (<150), inhibit 5HT reuptake,
NE at high doses
Drug Class: Citalopram
SSRI
Drug Class: Escitalopram
SSRI
Drug Class: Fluoxetine
SSRI
Drug Class: Fluvoxamine
SSRI
Drug Class: Paroxetine
SSRI
Drug Class: Sertraline
SSRI
Citalopram dose cutoff
Doses >40g not recommended due to risk of QTc prolongation
Citalopram dosing patients >60YO
20 mg