| to = duloxetine
| stop =
* '''Before day 01:''' gradually reduce dosage of trazodone to a maximum of 100-150 mg/day, when this dosage is > 200 mg/day.
* '''Day 1:''' reduce dosage of trazodone to 75 mg or maintain on 100 mg/day.
* '''Day 8:''' stop administration of trazodone.