* Gradually reduce dosage of citalopram/escitalopram to a maximum of 20 mg/ day resp. 10 mg/day, when this dosage is respectively > 20 mg/day and > 10 mg/day. * When a dosage of 20 mg/day, resp. 10 mg/day, is reached, '''Day 1:''' stop administrationabruptly.

* No wash-out period is neededapplied.* Start '''Day 2:''' start escitalopram in half the next day in normal dosage of 10 mg/daycitalopram.

* The same applies to [[escitalopram]].enantiomers of the racemic mixture citalopram and es-citalopram have qualitatively a quite similar pharmacological effect, therefore the switch is generally not advised