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Anti-depressants/
Mod 4 Pharm
Question | Answer |
---|---|
Name 3 major categories of anti-depressants | 1. tricyclics 2. 2nd/3rd generation 3. SSRI |
What percentage of population become depressed during their lifetime? | 10% |
What two receptors are affected by anti-depressants? | antagonism of serotonin and/or noepinephrine |
Which anti-depressants has more severe adverse event profile? | tricyclics |
Name 3 tricyclic anti-depressants | 1. amitriptyline 2. doxepin 3. nortriptyline |
What is brand name of amitriptyline? | Elavil |
What is dosage of amitriptyline? | 75-200mg daily in divided doses tablet/injection |
Which tricyclic antidepressant is a pregnancy risk category D? | Nortriptyline (Aventyl) |
What is the pregnancy risk category of amitriptyline and doxepin? | C |
What is the maximum daily dosage of nortriptyline? | 150mg/day |
What is the major side effect of amitriptyline? | significant drowsiness |
How long before full effect of amitriptyline is evident? | 4 weeks |
Can a patient double dose if they miss a dose of amitriptyline? | NO. Do not double dose if miss dose of amitriptyline |
What is the dosage of doxepin? | 75-300mg daily in divided dosage capsule, oral concentrate |
What is the SALAD of doxepin? | doxycycline (antibiotic) |
What should be monitored for in patients who take doxepin? | mood changes, suicidal tendencies |
What is the dosage of nortriptyline? | 25mg tid/qid max daily dose: 150mg/day capsule/oral concentrate |
How can a patient avoid daytime sedation when taking nortriptyline? | Take full daily dose at bedtime |
What is recommended to treat the side effect of dry mouth when taking nortriptyline? | sugarless gum or candy |
What happens when a pt takes clonipine when on a tricyclic antidepressant? | reduced antihypertensive effect |
What medications can cause tricyclic toxicity when taken with tricyclic antidepressants? | fluoxetine (Prozac-SSRI) paroxetine (Paxil-SSRI) |
List 2nd/3rd generation antidepressants | 1. bupropion 2. trazadone 3. venlafaxine |
What is the name brand of bupropion | Wellbutrin Zyban (marketed for smoking cessation) |
What is the dosage of bupropion? | 100mg bid Max: 400mg tablet, SR |
What is the maximum daily dose of bupropion? | 400mg |
What is the dosage for smoking cessation? | 150mg daily x3, incrase to 300mg per day-given as 2 doses 8 hrs apart |
What is the pregnancy risk class of bupropion? | B |
What is a SALAD of bupropion? | BusPIRone (BuSpar-antianxiety) |
What is a risk associated with alcohol use when taking bupropion? | seizures |
Is their a suicide risk when taking 2nd/3rd generation anti-depressants? | Yes |
What is the dosage of trazadone? | 150mg daily in divided doses; max outpatient dose 400mg/day |
What is the brand name of trazadone? | Desyrel |
What is thmax daily inpatient dose of trazadone? | When hospitalized-up to 600mg |
Can trazadone by stopped abruptly? | NO |
What is the brand name of venlafaxine? | Effexor |
What is the dosage of venlafaxine? | 75mg daily, 2-3 times a day |
What is the max daily dose of venlafaxine? | 225mg |
When should venlafaxine be discontinued? | if seizure develop |
What is an associated side effect with venlafaxine? | sustained increase in blood pressure |
What is the pregnancy risk category of venlafaxine? | C |
What should be monitored if pt taking beta-blocker with 2nd/3rd generation anti-depressant? | increase beta-blocker concentration; monitor for bradycardia, hypotension, heart failure |
What may happen if pt take MAOI with 2nd/3rd generation anti-depressant? | serotonin syndrome |
Name SSRIs | 1. citalopram 2. fluoxetine 3. paroxetine 4. sertraline |
What is the brand name of citalopram? | Celexa |
What is the daily dose of citalopram? | 20mg po daily, increaes to 40mg after no less than 1 week |
What is the maximum daily dose of citalopram? | 40mg |
What are SALADs of citalopram? | citalopram (Celexa) DO NOT CONFUSE WITH Celebrex (celecoxib) or Zyprexa (olanzapine) |
What is the pregancy risk category of SSRIs? | C |
What is the brand nameof fluoxetine? | Prozac |
What is the dosage of fluoxetine? | 20mg daily, increase to 20mg in am and mid-day |
What is the max dose of fluoxetine? | 40mg |
Does fluoxetine have a long half-life? | Yes (avoid fluoxetine during pregnancy due to long half-life) |
Name SALAD of Prozac? | Prilosec (omeprazole) |
What is the daily dose of paroxetine? | 20mg |
What is the maximum dose of paroxetine? | 50mg |
What is the brand name of paroxetine? | Paxil |
List SALAD of Paxil? | Plavix (clopidogrel); Taxol (paclitaxel) |
What electrolyte should be monitored in patients taking paroxetine? | Sodium hyponatremia may occur |
What is the brand name of sertraline? | Zoloft |
What is the daily dose of sertraline? | 25mg increase to 50mg if no improvement in 1 wk. |
What is maximum daily dose of sertraline? | 200mg |
SALAD of Zoloft? | Zocor (simvastatin) |
What may occur if MAOI takine with SSRI? | serotonin syndrome |
What drug causes QT prolongation when taking with SSRI? | pimozide(antipsychotic) |