| from = citalopram
| to = nortriptyline
| stop = {{StopCitalopramTCAdecrease25p3d}}
| start =
* '''Day 9:''' start administration of nortriptyline in a normal dosage of 25-50 mg/day.* Therapeutic Drug Monitoring of nortriptyline is useful, especially during the build up phase. Blood sampling is possible when reaching a steady state: administration of the same dose after one week.{{TCAincrease25p3d}}|info = *{{theorSSTCAplasmalevelmonitoring}}
}}