Pharm: Antidepressants and Mood Stabilizers Flashcards
Which anti-depressant is used off-label for diabetic peripheral neuropathy, fibromyalgia, chronic MSK pain, and stress incontinence?
Enuresis?
Duloxetine
Enuresis = imipramine
List the 8 SSRIs
- Citalopram + Escitalopram
- Fluoxetine + Paroxetine + Vortioxetine
- Sertraline
- Vilazodone
- Fluvoxamine
List the 5 SNRI’s used as anti-depressants
- All TCA’s
- Desvenlafaxine + Venlafaxine
- Duloxetine
- Levomilnacipran
TCA-based SNRI’s have impact on what 3 key non-efficacy related receptors?
- Histamine (H1)
- Muscarinic (cholinergic)
- α1-adrenergic
Amitriptyline should not be combined with what other drug class; why?
MAO inhibitors –> hypertensive crises, severe convulsions, and death
What are the 3 C’s of toxic ingestion with TCA’s?
- Coma
- Cardiotoxicity (Conduction abnormalities)
- Convulsions
What are the AE’s associated with TCA’s antagonizing α1-adrenergic receptors?
CV –> Tachycardia + Orthostatic hypotension + Dysrhythmias
What are the AE’s associated with TCA’s antagonizing H1 receptors?
What about anticholinergic receptors?
Histamine:
- Sedation/Fatigue
- Dizziness/Seizures
Muscarinic:
- Dry mouth
- Urine retention
- Blurred vision
Which 4 TCA’s are 3° amines?
What is their MOA?
- Clomipramine
- Amitriptyline
- Doexpin
- Imipramine
MOA = inh both NE/5-HT equally
Which 3 TCA’s are 2° amines?
What is their MOA?
- Amoxapine
- Nortriptyline
- Desipramine
MOA = inhibit NE more than 5-HT
What is a black box warning associated with the TCA, Amoxapine?
Both adults and ped’s pt’s may experience worsening of their depression and/or emergence of suicidal ideation and behavior (suicidality) or unusual changes in behavior
Which class of anti-depressants is associated with little to no GI-related AE’s?
TCA’s
What is important to consider when discontinuing the SSRI, Escitalopram?
Should be tapered down
All SSRI will cause acute withdrawal sx
Which drug class may interact with antidepressants and migraine medicines to cause serotonin syndrome?
Opioids
Which drug in the SSRI class is the broadest and strongest inhibitor of CYP450?
Which is the least?
Fluoxetine = strong
Vortioxetine & escitalopram = least