TCAs Flashcards
amitriptyline
elavil
nortriptyline
pamelor
desipramine
norpramin
doxepin
silenor
MOA of TCAs
inhibits reuptake of serotonin/norepinephrine AND blocks action of acetylcholine (and histamine)
metabolism of TCAs
liver
indications of TCAs
MDD, dysthymia, depression phase of BPD, OCD, bedwetting, migraines, chronic pain, MANY off labels
are side effects of TCAs dose related?
YES
is any screening needed before putting a patient on a TCA?
EKG if over 40 (risk of QT prolongation)
anticholinergic side effects of TCAs?
sedation, dizziness, constipation, blurred vision, urinary retention, dry mouth, heat intolerance, tachycardia, exacerbation of glaucoma
alpha-1 blocker side effects of TCAs?
orthostatic hypotension
which TCA has the least orthostatic hypotension?
pamelor
sexual dysfunction side effects of TCAs?
erectile/ejaculatory in males
anorgasmia in females
is overdose of TCAs fatal?
YES! usually from QT prolongation leading to an arrhythmia and hypotension, also agitation, delirium, seizures, coma
is dialysis effective in a TCA overdose?
NOPE! it’s lipopholic