| to = doxepin
| stop =
* '''Before day 0:''' gradually reduce dosage of trazodone to a maximum of 150 mg/day, when this dosage is > 150 mg/day. * '''Day 1:''' reduce dosage of trazodone to 75 mg/day.* '''Day 8:''' stop administration of trazodone.{{TCAdecrease25p3d}}
| start =
No wash-out period is needed.{{TCAincrease25p3d}}* '''Day 1:''' simultaneously start administration of doxepin in a dosage of 25 mg/day. | info =* '''Day 8:''' stop administration of trazodone and continue administration of doxepin in a dosage of 50 mg/day. {{TCAplasmalevelmonitoring}}* Start low, go slow.}}
