Anti-depressants Flashcards
(34 cards)
List the types of anti-depressants
Selective serotonin re-uptake inhibitors (SSRIs), tricyclic antidepressants, monoamine oxidase inhibitors, serotonin and noradrenaline reuptake inhibitors (SNRIs), atypical anti-depressants and serotonin 2 antagonists/reuptake inhibitors (SARI)
Examples of SSRIs
Fluoxetine, citalopram, escitalopram, sertraline
Mechanism of SSRIs
Block uptake of serotonin from the synaptic cleft
What is 1st line in depression
SSRIs
What else are SSRIs used for
Panic disorders, OCD, PTSD, phobias, GAD (escitalopram and paroxetine)
What usually happens with nausea in SSRIs
Usually improves after the first week
What are the discontinuation effects of SSRIs, how do you avoid this and which drug is the worst for these symptoms
GI upset, anxiety, agitation, insomnia, myoclonus, taper the drugs over weeks to avoid this and paroxetine is the worst
What increases in risk when SSRIs are used with NSAIDs
GI bleeding
What SSRI is safest in cardiac problems
Sertraline
What SSRI is safest in epilepsy
Citalopram
Why is paroxetine rarely used
Discontinuation syndrome and anticholinergic effects
Give examples of tricyclic antidepressants
Imipramine, dosulepin, amitriptyline and lofepramine
Mechanism of tricyclic antidepressants
Block the reuptake of monoamines (mainly noradrenaline and 5-HT) into presynaptic terminals
Why are tricyclic antidepressants not first line?
Cardiac side effects and dangerous in OD
What is 2nd line in panic disorder
tricyclic antidepressants
Examples of monoamine oxidase inhibitors
Phenelzine and moclobemide
Which monoamine oxidase inhibitors is reversible and which is irreversible
Phenelzine is irreversible and moclobemide is reversible
When to use monoamine oxidase inhibitors
Treatment resistent depression (3rd or 4th line)
What is used in social anxiety disorder
Moclobemide
What is the cheese reaction (hypertensive crisis) in monoamine oxidase inhibitors
Inhibition of MOA-A in gut and liver preventing breakdown of dietary tyramine. No high tyramine foods
Why are monoamine oxidase inhibitors not used in bipolar
High risk of switching to mania
How to treat hypertensive crisis
Phentolamine infusion
Examples of SNRIs
Venlafaxine and duloxetine
Mechanism of SNRIs
Block the reuptake of monoamines (noradrenaline and serotonin) into presynaptic terminals