| to = dosulepine
| stop =
* '''Before day 1:''' gradually reduce dosage of duloxetine to a maximum of 60 mg/ day, when this dosage is > 60 mg/day. * '''Day 1:''' reduce dosage of duloxetine to a maximum of 30 mg/day.* '''Day 8:''' stop administration of duloxetine.{{TCAdecrease25p3d}}
| start =
* '''Day 8:''' start administration of dosulepine in a low dosage of 25 mg/day.* '''Day 15:''' and increase the dosage of dosulepine to 50-75 mg/day.{{TCAincrease25p3d}}| info = * Duloxetine slows the metabolism of dosulepine by CYP2D6.* {{theorSS}}{{reviewTCAplasmalevelmonitoring}}
}}