* '''Day 8:''' stop administration of paroxetine.
| 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.
| info =
* Paroxetine slows the metabolism of trazodone via CYP2D6, so caution is necessary.}}