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Created page with '{{Drugswitch | from = nortriptyline | to = venlafaxine | stop = * '''Before day 0:''' gradually reduce dosage of nortriptyline to a maximum of 100 mg/day. * '''Day 1:''' reduc...'
{{Drugswitch
| from = nortriptyline
| to = venlafaxine
| stop =
* '''Before day 0:''' 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.
| 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.
| info =
* Occurrence of serotonin syndrome is theoretically possible, so caution is necessary.}}
| from = nortriptyline
| to = venlafaxine
| stop =
* '''Before day 0:''' 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.
| 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.
| info =
* Occurrence of serotonin syndrome is theoretically possible, so caution is necessary.}}