| to = duloxetine
| 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.* '''Day 8:''' stop administration of doxepin{{TCAdecrease25p3d}}| start = * '''Day 1:''' simultaneously start administration of duloxetine in a normal dosage of 60 mg/day.* '''Day 8:''' stop administration of doxepin and continue administration of duloxetine.{{StartAntidepressant}}| info = * Occurrence of serotonin syndrome is theoretically possible, so caution is necessary.Safe target dose duloxetine = 60 mg* Duloxetine is a inhibitor of CYP2D6, which metabolizes doxepin.}}
