No wash-out period is needed.
* '''Day 1:''' simultaneously start administration of trazodone in a dosage of 100-150 mg/day.
* '''>Day 8-:''' continue only administration of trazodone. If necessary, increase the dosage of trazodone to a maximum of 400 mg/day.
| info =
* Occurrence of the serotonin syndrome is theoretically possilble, so caution is necessary.}}