| start =
* No wash-out period is needed.
* Start ''' Day 9: ''' start fluoxetine the next day in normal dosage of 20 mg/day.
| info =
* {{theorSS}}
* Fluoxetine slows the metabolism of citalopram by inhibition of CYP2C19, CYP2D6 and CYP3A4
{{review}}
}}