Depression Flashcards
Tricyclic Antidepressants (TCAs)
Amitriptyline (Elavil)
Nortriptyline (Pamelor)
Amitriptyline (Elavil)
Nortriptyline (Pamelor) is used
Mainstay for depression treatment
MOA for Amitriptyline (Elavil)
Nortriptyline (Pamelor)
- Block reuptake of norepinephrine and serotonin into presynaptic nerve terminate
- Increase actions of both neurotransmitters
- Block Ach receptors
Adverse effects of Amitriptyline (Elavil)
Nortriptyline (Pamelor)
- No known antidote for overdose
- Estimated 70% TCA overdoses died before reaching hospital
Monoamine Oxidase Inhibitors (MAOIs)
Phenelzine (Nardil)
Used for Phenelzine (Nardil)
Effective but seldom used due to serious adverse effects
Phenelzine (Nardil) MOA
- Bind irreversibly to MAO
- Intensify actions of endogenous epinephrine, norepinephrine, serotonin, dopamine
Phenelzine (Nardil) adverse effects
Orthostatic hypotension
Nursing Concerns Phenelzine (Nardil)
Common drug and food interactions
Avoid food containing tyramine
Selective Serotonin Reuptake Inhibitors (SSRIs)
Fluoxetine (Prozac)
Fluoxetine (Prozac) is used for
- Second generation antidepressant
- Effective and low incidence of serious side effects
MOA of Fluoxetine (Prozac)
- Block uptake of serotonin at neuronal presynaptic membrane
- Enhance action of serotonin
Adverse Effects Fluoxetine (Prozac)
- GI upset
- Anorexia
- Sexual dysfunction
Nursing concerns for Fluoxetine (Prozac)
- Full therapeutic effects appear in 2-6 weeks
- Avoid food containing tyramine for interaction