| to = amitriptyline
| 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.* '''Day 8:''' stop administration of mirtazapine.{{stopMirtazapine}}
| start =
No wash-out period is needed.{{Inc25p3d2}}* '''Day 1:''' simultaneously start administration of amitriptyline in a dosage of 50 mg/day. * '''Day 8:''' If necessary, increase dosage of amitriptyline.* Start low, go slow.
| info =
{{review}}* No wash-out period is needed.
}}
