* '''Day 15''' increase dosage of escitalopram to normal, i.e. 10 mg/day.
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* Fluoxetine has a very long elimination time; phasing out fluoxetine is therefore not necessary. {{longt1/2fluox}}
* {{theorSS}}
* Fluoxetine inhibits CYP2C19, CYP2D6 and CYP3A4, which metabolize escitalopram.
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