123: Drugs to treat Depression Flashcards
Examples of Tricyclics
anytriptyline, Imipramine, nortriptyline, lofepramine
Tricyclics interact with
other sedatives : opioids, alcohol, anxiolytics. drugs that prolong QT. SSRIs
Examples of SSRIs
Citalopram, Fluoxetine, Paroxitine, Sertraline
Examples of Monoamine Oxidase Inhibitors
Phenelzine, Moclobemide
Examples of Receptor Blockers
Mirtazapine, Trazodone
Examples of Serotonin and Noradrenaline reuptake inhibitors
Venlafaxine, duloxetine
Tricyclic (Amytriptyline, Nortriptyline, lofepramine) adverse effects
sedation, postural hypotension, tachycardia, arrhythmias, antimuscarinic( dry mouth, blurred vision, urinary retention)
Tricyclics safe in overdose?
nope: risk of ventricular arrhythmias
SSRI adverse effects
nausea vomiting GI disturbances, GI bleed, hyponatremia, sexual dysfunction, QT prolongation
citalopram max dose
due to QT prolongation 40mg per day
citalopram safe in overdose?
safest
citalopram contraindications?
fluoxetine contraindications
clopidogrel - reduces antiplatlet effect
antidepressant of choice in cardiac disease/ post MI
sertraline ( SSRI)
fluoxetine interactions
inhibits cytochrome P450 ( liver enzyme)- increases levels of antipsychotics, TCAs , carbamazepine, phenytoin.
Monoamine oxidase inhibitors interactions
acute hypertensive crisis when combined with tyramine-rich food (mature cheese, beer, yeast extracts, pickled herring)
Monoamine oxidase inhibitor symptoms in overdose
hypomania, coma, hypo/hypertension.
receptor blocker - mertazapine adverse/side effects
increased appetite, weight gain, postural hypotension drowsiness
greatest risk of death seen
venlafaxine (serotonin and noradrenaline reuptake inhibitors
5 sites to interfere with the life of a neurotransmitter
- synthesising enzymes.
- receptors post.
- receptors pre.
- transporter.
- degrading enzymes.