* '''Day 8:''' stop administration of sertraline.
| start =
* No wash-out period is needed. '''Day 9:''' {{startTrazo}}* Start trazodone the next day in normal dosage of 150 mg/day.* If necessary, increase the dosage of trazodone to a maximum of 400 mg/day.{{upTrazo}}
| info =
* Sertraline dose-dependently slows the metabolism of trazodone via CYP2D6, so caution is necessary.
* {{theorSS}}
}}