Somatic Therapies Flashcards
Why do antidepressants take a long time to work?
Need to increase receptors, and gene transcription
What is the MOA of imipramine? Use?
TCA
Enuresis
What is the MOA of bupropion?
NE and dopamine reuptake inhibitor
What is the MOA of venlafaxine?
SNRI
What is the MOA of desvenlafaxine?
SNRI
What is the MOA of duloxetine?
SNRI
What is the MOA of levomilnacipran?
SNRI
What are the two TCAs that are used to treat pain?
Amitriptyline
Nortriptyline
What is the only SSRI that is not approved for use in MDD? What is it used for?
- Fluvoxamine
- OCD
Which SSRI is used for bulimia?
Fluoxetine
Which SSRIs are used to treat GAD?
Escitalopram
Paroxetine
True or false: structurally, the SSRIs are structurally similar
False
What is the major side effect of bupropion?
Lowers seizure threshold
SSRIs are metabolized through what organ?
Liver
Which of the SSRIs have long lasting, active metabolites? (2)
- Fluoxetine
- Sertraline
What are the side effects of SSRIs?
- Weight gain or loss
- Vivid dreams
- mild GI symptoms
What is the treatment for serotonin syndrome?
Cyproheptadine
What is the effect of SSRIs and the p450 system?
Metabolized by it–cause drug interactions
What is the age range that SSRIs can cause increased suicidality?
up to 24
True or false: there is no evidence that there is an increased in actual suicide with antidepressants, just thoughts
True
What are the s/sx of serotonin syndrome?
- Diaphoresis
- Mental confusion
- Flushing
- Hyperthermia
- Hypertonicity
True or false: SNRIs inhibit both NE and 5HT in equal amounts
True
What is the SNRI that has been approved for MDD, GAD, panic DO, SAD, pain syndrome?
Venlafaxine
What is the effect of venlafaxine at higher and lower doses?
Lower = 5HT reuptake inhibition
Higher = NE and dopamine
What is the effect of venlafaxine an p450 enzymes?
Does not use the p450 system
What is the major downside of venlafaxine withdrawal?
fast onset
What is the MOA of levomilnacipran?
SNRI
What is the role of bupropion in the treatment for anxiety disorders?
Not effective
Why is it that bupropion may test positive for amphetamine use?
Similar structure
What is the effect of bupropion on sexual function?
No effect
What is the factor that determines the risk of bupropion on seizure threshold?
Plasma levels–even transiently