| to = venlafaxine
| stop =
* '''Before day 0:''' gradually reduce dosage of doxepin to a maximum of 100 mg/day.* '''Day 1:''' reduce dosage of doxepin to 50 mg/day.* '''Day 3:''' reduce dosage of doxepin to 25 mg/day.{{TCAdecrease25p3d}}| start = * '''Day 1:''' simultaneously {{startVenlaStartAntidepressant}}* '''Day 8:''' stop administration of doxepin and continue administration of venlafaxine.| info = * Occurrence of serotonin syndrome is theoretically possible, so caution is necessary.Safe target dose venlafaxine = 75 mg}}