* No wash-out period is needed. * ''' Day 1: ''' Start citalopram/escitalopram the next day in normal with a dosage of 20 mg/day citalopram or 10 mg/day escitalopram.* ''' Day 4: ''' If necessary, gradually increase dosage

* Bupropion and its metabolites have long elimination times, so plasma concentrations will reduce gradually.}}