| start =
Caution is necessary for at least four weeks.
* '''Day 1:''' start administration of dosulepine in a low dosage of 50 25 mg/day.* '''Day 821:''' increase dosage of dosulepine to 75 50 mg/day.* '''Day 1528:''' increase dosage of dosulepine to 100 mg/day.
| info =
* Fluoxetine slows the metabolism of dosulepine via CYP2D6.
* Desmethylfluoxetine has a halflife of at least 1 week: it takes therefore 1 month for elemination.* Start low, go slow for dosulepine.}}