Abrocitinib and Lopinavir and ritonavir interaction
Abrocitinib and Lopinavir and ritonavir: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Abrocitinib (Cibinqo) label · effective 2026-09-09
• Moderate to Strong Inhibitors of Both CYP2C19 and CYP2C9, or Strong or Moderate CYP2C19 or CYP2C9 Inducers : Avoid concomitant use.
Intervention Avoid concomitant use of CIBINQO with strong or moderate CYP2C19 or CYP2C9 inducers.
Strong or Moderate CYP2C19 or CYP2C9 Inducers Clinical Impact Concomitant use of CIBINQO with strong or moderate CYP2C19 or CYP2C9 inducers decreases the combined exposure of abrocitinib and its two active metabolites, M1 and M2, which may result in loss of or reduced clinical response [see Clinical Pharmacology (12.3) ] .
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.