No wash-out period is needed.
* '''Day 1:''' start citalopram/escitalopram the next day in low dosage of 10 mg/day, resp. 5 mg/day, for one week.
* '''Day 814:''' increase dosage of citalopram/escitalopram to normal, i.e. 20 mg/day, resp. 10 mg/day.
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* Fluoxetine has a very long elimination time; phasing out fluoxetine is therefore not necessary. * {{theorSS}}}}