| to = amitriptyline
| stop =
{{stopVenlafaxineTCAdecrease25p3d}}
| start =
* '''Day 9:''' start administration of amitriptyline in a low dosage of 25 mg/day. * '''Day 16:''' continue administration of amitriptyline in a dosage of 50 mg/day.{{TCAincrease25p3d}}| info = * “Start low, go slow” for amitriptyline, and caution with this switch is necessary. {{TCAplasmalevelmonitoring}}
}}