Atazanavir and Cyclosporine interaction
Atazanavir and Cyclosporine: both prescribing labels describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.
Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.
What the FDA labels say
From the Cyclosporine (Neoral) label · effective 2026-08-10
…clarithromycin Amiodarone verapamil ketoconazole erythromycin Bromocriptine voriconazole quinupristin/ dalfopristin colchicine danazol imatinib metoclopramide nefazodone oral contraceptives HIV Protease Inhibitors The HIV protease inhibitors (e.g., indinavir, nelfinavir, ritonavir, and saquinavir) are known to inhibit cytochrome P-450 3A and thus could potentially increase…
From the Atazanavir (REYATAZ) label · effective 2024-12-05
Direct-Acting Oral Anticoagulants: betrixaban, dabigatran, edoxaban ↑ betrixaban ↑ dabigatran ↑ edoxaban Concomitant use of REYATAZ with ritonavir, a strong CYP3A4/P-gp inhibitor, may result in an increased risk of bleeding.
Refer to the respective DOAC prescribing information regarding dosing instructions for coadministration with P-gp inhibitors. rivaroxaban REYATAZ with ritonavir ↑ rivaroxaban Coadministration of REYATAZ with ritonavir, a strong CYP3A4/P-gp inhibitor, and rivaroxaban is not recommended, as it may result in an increased risk of bleeding.
Close monitoring is recommended when REYATAZ is coadministered with rivaroxaban. apixaban REYATAZ with ritonavir ↑ apixaban Concomitant use of REYATAZ with ritonavir, a strong CYP3A4/P-gp inhibitor, may result in an increased risk of bleeding.
Immunosuppressants: cyclosporine, sirolimus, tacrolimus ↑ immunosuppressants Therapeutic concentration monitoring is recommended for these immunosuppressants when coadministered with REYATAZ.
Potential for REYATAZ to Affect Other Drugs Atazanavir is an inhibitor of CYP3A and UGT1A1.
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.