Codeine + Dextromethorphan Hydrobromide And Quinidine Sulfate Interaction

Majorinteraction on record

Description

Quinidine-mediated inhibition of CYP2D6 may prevent conversion to active metabolite morphine, reducing analgesic/antitussive effects.

Mechanism

CYP2D6 inhibition prevents prodrug activation

Source: NLP:dextromethorphan hydrobromide and quinidine sulfate