Gefitinib Interactions

Brand names: Gefitinib

2 interactions on record

Gefitinib + ItraconazoleUnknown

CYP3A4 Inhibitor Drugs that are strong inhibitors of CYP3A4 (e.g., ketoconazole and itraconazole) decrease gefitinib metabolism and increase gefitinib plasma concentrations.

Source: FDA drug label - gefitinib

Gefitinib + KetoconazoleUnknown

CYP3A4 Inhibitor Drugs that are strong inhibitors of CYP3A4 (e.g., ketoconazole and itraconazole) decrease gefitinib metabolism and increase gefitinib plasma concentrations.

Source: FDA drug label - gefitinib