| to = amitriptyline
| stop =
* '''Day 0:''' 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.{{TCAdecrease25p3d}}| start = No wash-out period is needed.{{TCAincrease25p3d}}* '''Day 1:''' simultaneously start administration of amitriptyline in a dosage of 50 mg/day. | info =* '''Day 8:''' stop administration of mirtazapine and continue administration of amitriptyline. If necessary, increase dosage of amitriptyline.{{TCAplasmalevelmonitoring}}* Start low, go slow.}}
