Pharm: This Is the Last One Flashcards
What are the criteria for a Major Depressive Episode?
Define Unipolar Depression?
Define Dysthymia
Lasting 2wks w/ five Sxs:
One must be: Depressed, Anhedonia
MDD
One major depressive episode w/ no hypo/mania
Persistent Depressive D/o
Depression lasting 2yrs w/ Sxs free periods lasting less than 2 consecutive months
What are the facts about gender and suicide?
What are the 3 hypothesis behind depression?
Female: more likely to attempt, 2-4x higher during menopause
Male: more likely to complete
Biogenic Amine: dec levels of NT in brain
Dysregulation: failure of homeostasis
Neurochemical: 5HT/NE system must be functional for anti-depressant to work
What are the 3 types of depression?
Reactive/Secondary- MC; response to grief, illness, drugs/ETOH
Unipolar: genetically determined and unable to experience pleasure/cope w/ life
Bi-Polar Affective: manic-depressive
All medications classified as antidepressants increase concentrations of what 3 NTs?
What are the 3 ways to increase NT levels?
Dopamine NorEpi Serotonin
Inhibit reuptake
Block degredation
Inc NT release
Continued use of TCAs/SSRIs/SNRIs cause what physiological changes of the receptors?
What structures project into limbic structures and release serotonin to be taken back up in ? neuron?
Down regulation of pre-synaptic autoreceptors, increases firing rate of raphae neurons
Raphe neurons
Presynaptic
What are the Tertiary Amines?
What are the Secondary Amines
ADICT
Amitriptyline Doxepin Imipramine Clomipramine Trimipramine
DNP
Desipramine Nortriptyline Protriptyline
Here do the issues of taking TCAs come in?
When are TCAs used in therapy?
Blockage of Histamine A-Adrenergic, and Muscarinic receptors AND NorEpi/Serotonin uptake
Seldom 1st line agents
Depression/Anxiety orders
Off label: pain syndrome, migraine prophylaxis
What is the most common drug used in ODs?
What are some of the adverse reactions of using this drug class?
TCAs
Seizure Arrhythmias Coma Delerium
What PTs should never receive TCAs?
Time frame of TCAs hence why such a gradual taper up is needed?
BPH CVDz Glaucoma SIs
2-4wks
What are the adverse effects of taking TCAs?
What class of TCAs are “worse” w/ high sedation, anticholinergic and alpha blockage effects?
Anticholinergic
OHOTN
Drug interactions
Tertiary
What TCAs cause weight gain?
What TCA is used for childhood enuresis and adult MDD?
Nortriptyline
Amitriptyline
Imipramine
What TCA is used for depression and insomnia?
What TCA is used for OCD?
Doxepin
Clomipramine
What drugs fall under SSRI group?
What are the two “other” SSRIs?
PFCS EF
Paroxetine Fluoxetine Citalopram Sertraline Escitalopram Fluvoxamine
Others: Villain Vortex
Vilazodone
Vortioxetine
How long does it take for SSRIs to take effect?
SSRIs are first line choice for Tx of ?
3-8wks
PODS PPG Panic D/o OCD Depression Social Phobia PTSD Pre-menstrual dysmorphic d/o General anxiety d/o
Which SSRI has the longest and shortest T1/2?
Only two SSRIs don’t interact w/ CYP450, which ones?
Long: Fluoxetine
Short: Fluvoxamine
Citalopram
Escitalopram
*most commonly prescribed, good for elderly PTs on multiple Rxs
What SSRIs are the most and least CNS activating/sedating?
Which SSRI has the worse weight gain?
Most activate: Fluoxetine, Sertraline (avoid in insomnia, take in AM)
Most sedating: Paroxetine, Fluvoxamine (dose in PM)
Paroxetine
What is a very common s/e of taking SSRIs?
What are three rare s/e?
Loss of labido (switch to Bupropion or add Silenafil)
Serotonin syndrome
SIADH
EPS s/e- akathisia, dystonia, parkinsonian Sxs (Paroxetine has the most)
What is the triad of Serotonin Syndrome
How is it Tx?
Cognitive effects
Neuromuscular dysfunction
Autonomic dysfunction
Support: Benzos
Hyperthermia support
Cyproheptadine- 1st gen anti-histamine and 5HT antagonist
Which SSRi can have abrupt discontinuation due to it’s long T1/2?
Which SSRI has FDA warning due to QTc prolongation and which one does NOT have this warning?
Fluoxetine
Citalopram above 40mg
Escitalopram
SSRIs drug interactions include ?
What are the main SNRIs?
What are the others?
MAOIs ASA NSAIDs
Duloxetine
Venlafaxine
Desvenlafaxine
Levomilnacipram
Milnacipram
What 3 SNRIs have been linked to increasing Diastolic BP?
What two drug classes should they not be used w/?
Venlafaxine
Desvenlafaxine
Duloxetine
MAOIs
Serotogenic agents
Which SNRI has a dose-related effect on NorEpi?
What can Venlafaxine be used for?
Venlafaxine: <150mg/day is primarily a serotonin effect
Tx resistant depression
Gen Anxiety d/o
PTSD- 1st line w/ SSRI
What are the benefits of using Venlafaxine?
What is the relation between Venlafaxine dosage and the NT blocked?
Safer than TCA for OD
Less activating as Fluoxetine
Unique MOA= use if SSRI have failed
SSRI effect at low dose
SNRI effect at high dose
What are two adverse effects of using Venlafaxine?
Which SNRI is an active metabolite of another?
HTN
Serotonin syndrome if used w/ MAOI
Desvenlafaxine