| to = venlafaxine
| stop =
* '''Before day 1:''' gradually reduce dosage of nortriptyline to a maximum of 100 mg/day.* '''Day 1:''' reduce dosage of nortriptyline to 50 mg/day.* '''Day 3:''' reduce dosage of nortriptyline to 25 mg/day.{{TCAdecrease25p3d}}| start = * '''Day 1:''' simultaneously start administration of venlafaxine in a normal dosage of 75 mg/day.* '''Day 8:''' stop administration of nortriptyline and continue administration of venlafaxine.{{StartAntidepressant}}| info = * Occurrence of serotonin syndrome is theoretically (not very likely) possible, so caution is necessary.{{review}}Safe target dose venlafaxine = 75 mg
}}
