Antidepressants Flashcards
Name 5 classes of antidepressants
MAOI
TCA
SSRI
NARI
SNRI
Symptoms of depression
• Misery, apathy, and pessimism
• Low self-esteem
• Indecisiveness, loss of motivation
(anhedonia)
• Retardation of thought and action
• Loss of libido
• Sleep disturbance and loss of appetite
What is monoamine theory?
Deficits in monoamine neurotransmitters (noradrenaline and 5-HT) cause depression.
Name an MAOI
Phenelzine
Adverse effects of MAOIs
Postural hypotension
Restlessness & insomnia
TCA MOA?
Monoamine reuptake inhibitor
Name a TCA
Amitriptyline
Imipramine
Nortriptyline
TCA adverse effects
Anticholinergic
- Dry mouth, blurred vision, constipation
Antihistamine
- Sedation
Alpha-1 adrenergic blockade
- Postural hypotension
Name 2 SSRIs
Fluoxetine
Citalopram
Adverse effects of SSRIs
Nausea
Insomnia
Sexual dysfunction
(Citalopram has a bit of antihistamine action - sedation)
What can be given to prevent SSRI induced sexual dysfunction?
Cyproheptadine (5HT2 blocker)
3 symptoms of Serotonin Syndrome
Tremor
Hyperthermia
CVS collapse
Name an NARI
Reboxetine
NARI adverse effects
Anticholinergic
- Dry mouth, constipation
Insomnia
Name 2 SNRIs
Duloxetine, venlafaxine
Other antidepressants + their class
Mirtazapine - NaSSA
Bupropion - NDRI
Agomelatine - Melatonin MT1, MT2 receptor agonist
Ketamine - Glutamate NMDA receptor antagonist
Vortioxetine - Multimodal at various HT receptors