| to = mirtazapine
| stop =
* '''Before day 1:''' gradually reduce dosage of doxepin to a maximum of 100 mg/day.* '''Day 1:''' reduce dosage of doxepin to 50 mg/day.* '''Day 8:''' reduce dosage of doxepin to 25 mg/day.* '''Day 15:''' stop administration of doxepin.{{stopDoxepin}}
| start =
* '''Day 8:''' start administration of mirtazapine in a dosage of 30 mg/day.