Antipsychotics Flashcards
Anti-depressants: After therapeutic dose is achieved, how long does it take for symptoms to improve?
3-6 wks
When do u switch for another med/increase dose in antidepressant?
2 months
Which drug causes QT lengthening?
TCA
Tertiary TCA examples?
amitriptyline, Imipramine, doxepin, clomipramine
Secondary TCA examples?
Desipramine, notrtriptyline
Effective med for depression?
MAOI
MAOI S/E?
Sedation, weight gain
dry mouth, Postural HT
Sexual dys, sleep disturbance
what med if taken with tyramine rich food cause HTN crisis?
MAOI
How long do u wait before switching from SSRI to MAOI?
2 EXCEPT fluoxetine 5 wks
Serotonin syndrome symptoms include
- Abdominalpain • Diarrhea
- Sweats • Tachycardia
- HTN
- Myoclonus
- Irritability • Delirium
Severe S/E in serotonin syndrome?
Hyperpyrexia, cardiovascular shock and death.
SSRI is treatment for
depression and anxiety
SSRI S/E
GI upset, sexual dys
insomnia+sedation=fatigue
discontinuation syndrome caused by?
SSRI, SNRI
discontinuation syndrome cause
agitation, nausea, disequilibrium and dysphoria
Fluoxetine + and - ?
\+ low incidence of discontinuation syndrome - active metabolite may build up Significant P450 interactions
Antidepressant: Bad choice in pts already on a number of meds
Fluoxetine
QT interval prolongation in Citalopram dose above
40 mg/day
Antidepressant (SSRI) with fast response?
Escitalopram
Venlafaxine not given to pts w/
HTN