Fentanyl + ErythromycinUnknown
Examples Macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g.
Source: FDA drug label - fentanyl
Fentanyl Interactions
Brand names: Fentanyl
3 interactions on record
Fentanyl + KetoconazoleUnknown
ketoconazole), protease inhibitors (e.g., ritonavir), grapefruit juice CYP3A4 Inducers Clinical Impact: The concomitant use of fentanyl transdermal system and CYP3A4 inducers can decrease the plasma concentration of fentanyl [see Clinical Pharmacology ( 12.3 )] , resulting in decreased efficacy or onset of a withdrawal syndrome in patients who have developed physical dependence to fentanyl [see Warnings and Precautions ( 5.7 )] .
Source: FDA drug label - fentanyl
Fentanyl + RitonavirUnknown
ketoconazole), protease inhibitors (e.g., ritonavir), grapefruit juice CYP3A4 Inducers Clinical Impact: The concomitant use of fentanyl transdermal system and CYP3A4 inducers can decrease the plasma concentration of fentanyl [see Clinical Pharmacology ( 12.3 )] , resulting in decreased efficacy or onset of a withdrawal syndrome in patients who have developed physical dependence to fentanyl [see Warnings and Precautions ( 5.7 )] .
Source: FDA drug label - fentanyl