एफाविरेंज़ और फेलोडिपिन का इंटरैक्शन

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism.

Caution should be used when CYP3A4 inhibitors are coadministered with felodipine.

Drug Interactions CYP3A4 Inhibitors - Felodipine is metabolized by CYP3A4.

These effects have been observed with coadministration of itraconazole (a potent CYP3A4 inhibitor).

Calcium channel blockers: Diltiazem Others (e.g., felodipine, nicardipine, nifedipine, verapamil) ↓ diltiazem * ↓ desacetyl diltiazem * ↓ N-monodesmethyl diltiazem * ↓ calcium channel blocker Diltiazem dose adjustments should be guided by clinical response (refer to the full prescribing information for diltiazem).

When coadministered with efavirenz, dosage adjustment of calcium channels blocker may be needed and should be guided by clinical response (refer to the full prescribing information for the calcium channel blocker).