| to = paroxetine
| stop =
* '''Before day 1:''' gradually reduce dosage of mirtazapine to a maximum of 30 mg/ day.* '''Day 1:''' reduce a dosage of 30 mg/day to 15 mg/day.{{stopMirtazapine}}
| start =
* '''Day 1:''' simultaneously start paroxetine in a normal dosage of 20 mg/day.