Dextromethorphan + Paroxetine Interaction

Moderateinteraction on record

Description

Paroxetine inhibits CYP2D6, increasing dextromethorphan exposure. Decrease dextromethorphan dosage if needed with concomitant paroxetine use.

Mechanism

CYP2D6 inhibition decreases dextromethorphan metabolism

Source: NLP:paroxetine