| to = mirtazapine
| stop =
* '''Before day 0:''' gradually reduce dosage of amitriptyline to a maximum of 50 mg/day.* '''Day 1:''' reduce dosage of amitriptyline to 25 mg/day.* '''Day 8:''' stop amitriptyline.{{TCAdecrease25p3d}}| start = {{StartAntidepressant}}Caution is necessary.| info =* '''Day 8:''' start administration of Safe target dose mirtazapine in a normal dosage of 30 = 15 mg/day.* '''Day 15:''' if necessary, increase administration of mirtazapine.
}}