Sertraline (Zoloft) Flashcards
Brand name
Zoloft
Class, receptors
SSRI - Serotonin 1A, sigma 1 (anxiolytic)
Onset of action
2-4 weeks to start action; increase dose or switch if no effect in 6-8 weeks.
common S/E
- Sexual dysfunction (dose dependent; men - delayed ejactulation, erectile dysfunction.
men and women - decreased sexual desire, anorgasmia) - GI - Decreased appetite, nausea, diarrhea, constipation, dry mouth
- CNS - Insomnia, but maybe sedation, agitation, headache, dizziness
- Sweating, bruising, rare hyponatremia, rare hypotension, SIADH
Dangerous S/E
- seizures
- mania induction
- increased suicidal ideation before age 24
what to do about S/E?
- wait, wait, wait
- Take in morning to reduce insomnia
- Reduce dose to 25 or 12.5 until S/Es abate, and then increase dose to 50
Dose for depression
start with 50 PO daily, can increase after a week, max 200 PO daily. Wait a few weeks before increasing though.
Dose for panic, PTSD, social anxiety
25 daily, increase to 50 after 1 week, max 200. Wait a few weeks before increasing though.
Dose for PMDD
50 daily through menstrual cycle or limit to luteal phase
Oral solution dose
Mix with 4 oz water, ginger ale, lemon/lime soda, lemonade or orange juice. Drink immediately after mixing.
Dosing tips
- 50 and 100 mg cost the same, so give 50 as half of 100 tablet
- Once a day dosing, in morning to reduce insomnia
- More agitated and anxious patient - Start with lower dose, titrate slower, may need more concomitant agents like trazodone, BZP
OD symptoms
- Rarely lethal
- vomiting
- sedation
- heart rhythm disturbance
- dilated pupils
- agitation
Addictive?
No
How to stop?
- taper slowly
- reduce to half for 3 days, then half the next 3 days, then stop
- if withdrawal symptoms appear, raise dose and then taper again slowly
Withdrawal effects
Dizziness, Nausea, stomach cramps, sweating, tingling, dysesthesias