Lopinavir and ritonavir and Tofacitinib interaction
Lopinavir and ritonavir and Tofacitinib: 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 Tofacitinib (XELJANZ) label · effective 2026-07-13
Table 7: Clinically Significant Interactions Affecting XELJANZ/XELJANZ XR When Concomitantly Used with Other Drugs Strong CYP3A4 Inhibitors (e.g., ketoconazole) Clinical Impact Increased exposure to tofacitinib Intervention Dosage modification of XELJANZ/XELJANZ XR is recommended [see Dosage and Administration (2) , Clinical Pharmacology, Figure 3 (12.3) ] Moderate…
From the Lopinavir and ritonavir (Kaletra) label · effective 2026-07-23
Immunosuppressants: e.g. cyclosporine, tacrolimus, sirolimus ↑ immunosuppressants Therapeutic concentration monitoring is recommended for immunosuppressant agents when co-administered with KALETRA.
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.