Dextromethorphan + Terbinafine Interaction
Moderateinteraction on record
Description
Terbinafine increases dextromethorphan/dextrorphan metabolite ratio by 16- to 97-fold, converting extensive CYP2D6 metabolizers to poor metabolizer status.
Mechanism
CYP450 2D6 inhibition
Source: NLP:terbinafine