Interaction Checker

Ruxolitinib interactions

Ruxolitinib (Jakafi, Opzelura), a JAK inhibitor has 75 documented interactions across the FDA labels and fact sheets we index: 10 major, 65 moderate, 0 minor, and 0 where a label reports no significant interaction. Each entry below quotes the sentence behind it. This drug page is a starting point, not a verdict for your situation.

Interactions from the label

Major interactions (10)

  • AbataceptimmunosuppressantMajor

    Additionally, concomitant use of ORENCIA with other biologic RA/PsA therapy or JAK inhibitors is not recommended. (Abatacept label, Warnings and precautions)

  • AbrocitinibJAK inhibitorMajor

    Major Adverse Cardiovascular Events (MACE) Another JAK inhibitor has increased the risk of MACE, including cardiovascular death, myocardial infarction, and stroke (compared to those treated with TNF blockers) in patients with rheumatoid arthritis, a condition for which JAKAFI/JAKAFI XR is not indicated. (Ruxolitinib label, Warnings and precautions)

  • AdalimumabimmunosuppressantMajor

    Major Adverse Cardiovascular Events (MACE) Another JAK inhibitor has increased the risk of MACE, including cardiovascular death, myocardial infarction, and stroke (compared to those treated with TNF blockers) in patients with rheumatoid arthritis, a condition for which JAKAFI/JAKAFI XR is not indicated. (Ruxolitinib label, Warnings and precautions)

  • BaricitinibJAK inhibitorMajor

    Major Adverse Cardiovascular Events (MACE) Another JAK inhibitor has increased the risk of MACE, including cardiovascular death, myocardial infarction, and stroke (compared to those treated with TNF blockers) in patients with rheumatoid arthritis, a condition for which JAKAFI/JAKAFI XR is not indicated. (Ruxolitinib label, Warnings and precautions)

  • EtanerceptimmunosuppressantMajor

    Major Adverse Cardiovascular Events (MACE) Another JAK inhibitor has increased the risk of MACE, including cardiovascular death, myocardial infarction, and stroke (compared to those treated with TNF blockers) in patients with rheumatoid arthritis, a condition for which JAKAFI/JAKAFI XR is not indicated. (Ruxolitinib label, Warnings and precautions)

  • Fluconazoleazole antifungalMajor

    Fluconazole: Avoid concomitant use with fluconazole doses greater than 200 mg. (Ruxolitinib label, Drug interactions)

  • InfliximabimmunosuppressantMajor

    Major Adverse Cardiovascular Events (MACE) Another JAK inhibitor has increased the risk of MACE, including cardiovascular death, myocardial infarction, and stroke (compared to those treated with TNF blockers) in patients with rheumatoid arthritis, a condition for which JAKAFI/JAKAFI XR is not indicated. (Ruxolitinib label, Warnings and precautions)

  • RitlecitinibJAK inhibitorMajor

    Major Adverse Cardiovascular Events (MACE) Another JAK inhibitor has increased the risk of MACE, including cardiovascular death, myocardial infarction, and stroke (compared to those treated with TNF blockers) in patients with rheumatoid arthritis, a condition for which JAKAFI/JAKAFI XR is not indicated. (Ruxolitinib label, Warnings and precautions)

  • TofacitinibimmunosuppressantMajor

    Major Adverse Cardiovascular Events (MACE) Another JAK inhibitor has increased the risk of MACE, including cardiovascular death, myocardial infarction, and stroke (compared to those treated with TNF blockers) in patients with rheumatoid arthritis, a condition for which JAKAFI/JAKAFI XR is not indicated. (Ruxolitinib label, Warnings and precautions)

  • UpadacitinibimmunosuppressantMajor

    Major Adverse Cardiovascular Events (MACE) Another JAK inhibitor has increased the risk of MACE, including cardiovascular death, myocardial infarction, and stroke (compared to those treated with TNF blockers) in patients with rheumatoid arthritis, a condition for which JAKAFI/JAKAFI XR is not indicated. (Ruxolitinib label, Warnings and precautions)

Moderate interactions (65)

  • AmiodaroneantiarrhythmicModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • AprepitantCYP3A4 inhibitorModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • ArmodafinilCNS stimulantModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • AtazanavirantiretroviralModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • BosentanCYP3A4 inducerModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • CarbamazepineanticonvulsantModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • CenobamateanticonvulsantModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • CimetidineH2 blockerModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • Clarithromycinmacrolide antibioticModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • ClobazambenzodiazepineModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • CyclosporineimmunosuppressantModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • DarunavirantiretroviralModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • Darunavir and cobicistatantiretroviralModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • Deferasiroxiron supplementModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • DexamethasonecorticosteroidModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • Diltiazemcalcium channel blockerModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • DronedaroneantiarrhythmicModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • EfavirenzantiretroviralModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • Efavirenz, lamivudine, and tenofovirantiretroviralModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • Elvitegravir, cobicistat, emtricitabine, and tenofovirantiretroviralModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • Erythromycinmacrolide antibioticModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • EslicarbazepineanticonvulsantModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • EtravirineantiretroviralModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • EverolimusimmunosuppressantModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • FosamprenavirantiretroviralModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • FosaprepitantCYP3A4 inhibitorModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • FosphenytoinanticonvulsantModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • GriseofulvinantifungalModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • ImatinibCYP3A4 inhibitorModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • IsoniazidantibioticModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • Itraconazoleazole antifungalModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • IvacaftorCYP3A4 inhibitorModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • Ketoconazoleazole antifungalModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • LenacapavirantiretroviralModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • Lopinavir and ritonavirantiretroviralModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • LorlatinibCYP3A4 inducerModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • MifepristoneCYP3A4 inhibitorModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • Mirabegronbeta-adrenergic agonistModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • MitapivatCYP3A4 inducerModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • MitotaneCYP3A4 inducerModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • ModafinilCNS stimulantModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • Nafcillinpenicillin antibioticModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • NefazodoneantidepressantModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • NevirapineantiretroviralModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • Nirmatrelvir and ritonavirantiviralModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • OxcarbazepineanticonvulsantModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • PalbociclibCYP3A4 inhibitorModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • PerampanelanticonvulsantModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • PhenobarbitalbarbiturateModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • Phentermine and topiramateCNS stimulantModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • PhenytoinanticonvulsantModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • Posaconazoleazole antifungalModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • PrimidoneanticonvulsantModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • RanolazineQT-prolonging drugModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • RifabutinantibioticModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • RifampinantibioticModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • RifapentineantibioticModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • RitonavirantiretroviralModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • Suvorexantsedative-hypnoticModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • SuzetrigineCYP3A4 inducerModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • Ticagrelorantiplatelet agentModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • Tobacco and smokingTobacco and cannabisModerate

    Secondary Malignancies: Monitor for development of secondary malignancies, particularly in patients who are current or past smokers. (Ruxolitinib label, Warnings and precautions)

  • TopiramateanticonvulsantModerate

    Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

  • Verapamilcalcium channel blockerModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

  • Voriconazoleazole antifungalModerate

    Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (Ruxolitinib label, Drug interactions)

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Not medical advice. Severity reflects the label's wording, not your circumstances. A "major" flag can be routine under supervision and a "minor" one can matter at high doses. Ask a pharmacist.