Ocrelizumab interactions

Ocrelizumab (Ocrevus), an immunosuppressant has 69 documented interactions across the FDA labels and fact sheets we index: 7 major, 49 moderate, 12 minor, and 1 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.

Major interactions (7)

  • AdalimumabimmunosuppressantMajor

    It is uncertain whether the occurrence of HSTCL is related to use of a TNF blocker or a TNF blocker in combination with these other immunosuppressants [see Warnings and Precautions (5.2) ] . (Adalimumab label, Boxed warning)

  • CaptoprilACE inhibitorMajor

    About 13 percent of the cases of neutropenia have ended fatally, but almost all fatalities were in patients with serious illness, having collagen vascular disease, renal failure, heart failure or immunosuppressant therapy, or a combination of these complicating factors. (Captopril label, Warnings)

  • CyclosporineimmunosuppressantMajor

    In kidney, liver, and heart transplant patients Neoral may be administered with other immunosuppressive agents. (Cyclosporine label, Boxed warning)

  • FludrocortisonecorticosteroidMajor

    Chicken pox and measles, for example, can have a more serious or even fatal course in children on immunosuppressant corticosteroids. (Fludrocortisone label, Warnings)

  • Itraconazoleazole antifungalMajor

    Immunosuppressants Everolimus Sirolimus Temsirolimus (IV) Not recommended during and 2 weeks after TOLSURA treatment. (Itraconazole label, Drug interactions)

  • Nirmatrelvir and ritonavirantiviralMajor

    …methylergonovine • HMG-CoA reductase inhibitors: lovastatin, simvastatin (these drugs can be temporarily discontinued to allow PAXLOVID use [see Table 2 , Drug Interactions (7.3) ] ) • Immunosuppressants: voclosporin • Microsomal triglyceride transfer protein inhibitor: lomitapide • Migraine medications: eletriptan, ubrogepant • Mineralocorticoid receptor antagonists:… (Nirmatrelvir and ritonavir label, Contraindications)

  • TacrolimusimmunosuppressantMajor

    …IN TRANSPLANT PATIENTS; AND INCREASED MORTALITY IN FEMALE LIVER TRANSPLANT PATIENTS • Increased risk for developing serious infections and malignancies with ASTAGRAF XL ® or other immunosuppressants that may lead to hospitalization or death. [see Warnings and Precautions ( 5.1 , 5.2 )] • Increased mortality in female liver transplant patients with ASTAGRAF XL. (Tacrolimus label, Boxed warning)

Moderate interactions (49)

  • The addition of an antipyretic (e.g., acetaminophen) may also be considered [see Dosage and Administration (2.2) ]. (Ocrelizumab label, Warnings and precautions)

  • Amlodipinedihydropyridine calcium channel blockerModerate

    Immunosuppressants Amlodipine may increase the systemic exposure of cyclosporine or tacrolimus when co-administered. (Amlodipine label, Drug interactions)

  • AzelastineantihistamineModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • BeclomethasonecorticosteroidModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • BetamethasonecorticosteroidModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • BudesonidecorticosteroidModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • Budesonide and formoterolcorticosteroidModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • Butalbital, acetaminophen, and caffeinebarbiturateModerate

    The addition of an antipyretic (e.g., acetaminophen) may also be considered [see Dosage and Administration (2.2) ]. (Ocrelizumab label, Warnings and precautions)

  • CetirizineantihistamineModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • ChlorpheniramineantihistamineModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • ClobetasolcorticosteroidModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • DenosumabModerate

    Other risk factors for the development of ONJ include immunosuppressive therapy, treatment with angiogenesis inhibitors, systemic corticosteroids, diabetes, and gingival infections. (Denosumab label, Warnings and precautions)

  • DesonidecorticosteroidModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • DexamethasonecorticosteroidModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • DimenhydrinateantihistamineModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • DiphenhydramineantihistamineModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • DoxylamineantihistamineModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • EverolimusimmunosuppressantModerate

    Lymphomas and Other Malignancies Patients receiving immunosuppressants, including Zortress, are at increased risk of developing lymphomas and other malignancies, particularly of the skin. (Everolimus label, Warnings and precautions)

  • FenofibratefibrateModerate

    Immunosuppressants Clinical Impact: Immunosuppressants such as cyclosporine and tacrolimus can produce nephrotoxicity with decreases in creatinine clearance and rises in serum creatinine, and because renal excretion is the primary elimination route of fibrate drugs including fenofibrate, there is a risk that an interaction will lead to deterioration of renal… (Fenofibrate label, Drug interactions)

  • FexofenadineantihistamineModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • FingolimodimmunosuppressantModerate

    When switching from drugs with prolonged immune effects, such as daclizumab, fingolimod, natalizumab, teriflunomide, or mitoxantrone, consider the duration and mode of action of these drugs because of additive immunosuppressive effects when initiating OCREVUS [see Warnings and Precautions (5.2) ]. (Ocrelizumab label, Drug interactions)

  • FluocinonidecorticosteroidModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • FluticasonecorticosteroidModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • Fluticasone and salmeterolcorticosteroidModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • HalobetasolcorticosteroidModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • Hydrocodone and acetaminophenopioidModerate

    The addition of an antipyretic (e.g., acetaminophen) may also be considered [see Dosage and Administration (2.2) ]. (Ocrelizumab label, Warnings and precautions)

  • HydrocortisonecorticosteroidModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • HydroxyzineantihistamineModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • InfliximabimmunosuppressantModerate

    When treating patients, consideration of whether to use RENFLEXIS alone or in combination with other immunosuppressants such as azathioprine or 6-mercaptopurine should take into account a possibility that there is a higher risk of HSTCL with combination therapy versus an observed increased risk of immunogenicity and hypersensitivity reactions with infliximab… (Infliximab label, Warnings and precautions)

  • Ketoconazoleazole antifungalModerate

    Immunosuppressants everolimus, rapamycin (also known as sirolimus), temsirolimus budesonide, ciclesonide, cyclosporine, dexamethasone, fluticasone, methylprednisolone, tacrolimus Rapamycin (sirolimus): Ketoconazole tablets 200 mg daily for 10 days increased the C max and AUC of a single 5 mg dose of sirolimus by 4.3 fold and 10.9 fold, respectively in 23 healthy… (Ketoconazole label, Drug interactions)

  • LeflunomideimmunosuppressantModerate

    If used with concomitant methotrexate and/or other potential immunosuppressive agents, chronic monitoring should be monthly. (Leflunomide label, Warnings and precautions)

  • LevocetirizineantihistamineModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • LoratadineantihistamineModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • MeclizineantihistamineModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • MethylprednisolonecorticosteroidModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • MometasonecorticosteroidModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • MycophenolateimmunosuppressantModerate

    Lymphoma and Other Malignancies Patients receiving immunosuppressants, including MYHIBBIN, are at increased risk of developing lymphomas and other malignancies, particularly of the skin [see Adverse Reactions ( 6.1 )]. (Mycophenolate label, Warnings and precautions)

  • NatalizumabimmunosuppressantModerate

    When switching from drugs with prolonged immune effects, such as daclizumab, fingolimod, natalizumab, teriflunomide, or mitoxantrone, consider the duration and mode of action of these drugs because of additive immunosuppressive effects when initiating OCREVUS [see Warnings and Precautions (5.2) ]. (Ocrelizumab label, Drug interactions)

  • OlopatadineantihistamineModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • Oxycodone and acetaminophenopioidModerate

    The addition of an antipyretic (e.g., acetaminophen) may also be considered [see Dosage and Administration (2.2) ]. (Ocrelizumab label, Warnings and precautions)

  • PrednisolonecorticosteroidModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • PrednisonecorticosteroidModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • PromethazineantihistamineModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

  • RifampinantibioticModerate

    Glipizide Decrease exposure Immunosuppressive Agents Cyclosporine Decrease exposure Tacrolimus Prevention or Management: Monitoring of whole blood concentrations and appropriate dosage adjustments of tacrolimus are recommended when rifampin and tacrolimus are used concomitantly. (Rifampin label, Drug interactions)

  • RitonavirantiretroviralModerate

    Immunosuppressants: cyclosporine, tacrolimus, sirolimus (rapamycin) ↑ immunosuppressants Therapeutic concentration monitoring is recommended for immunosuppressant agents when co-administered with ritonavir. (Ritonavir label, Drug interactions)

  • Sofosbuvir and velpatasvirantiviralModerate

    HBV reactivation has also been reported in patients receiving certain immunosuppressant or chemotherapeutic agents; the risk of HBV reactivation associated with treatment with HCV direct-acting antivirals may be increased in these patients. (Sofosbuvir and velpatasvir label, Warnings and precautions)

  • TeriflunomideimmunosuppressantModerate

    When switching from drugs with prolonged immune effects, such as daclizumab, fingolimod, natalizumab, teriflunomide, or mitoxantrone, consider the duration and mode of action of these drugs because of additive immunosuppressive effects when initiating OCREVUS [see Warnings and Precautions (5.2) ]. (Ocrelizumab label, Drug interactions)

  • TinidazoleantibioticModerate

    Cyclosporine, tacrolimus: Monitor for toxicities of these immunosuppressive drugs ( 7.1 ) (Tinidazole label, Drug interactions)

  • TriamcinolonecorticosteroidModerate

    In multiple sclerosis (MS) clinical trials, all adult and pediatric patients who were treated with OCREVUS received premedication with methylprednisolone (or an equivalent steroid), and may have also received an antihistamine (all pediatric patients) and/or an analgesic/antipyretic to reduce the risk of infusion reactions prior to each infusion. (Ocrelizumab label, Warnings and precautions)

Minor mentions (12)

  • AtorvastatinstatinMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persists despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy; and improvement with immunosuppressive agents. (Atorvastatin label, Warnings and precautions)

  • Ezetimibe and simvastatinstatinMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy without significant inflammation; and improvement with immunosuppressive agents. (Ezetimibe and simvastatin label, Warnings and precautions)

  • FluvastatinstatinMinor

    IMNM is characterized by proximal muscle weakness and elevated serum CK, which persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody, muscle biopsy showing necrotizing myopathy, and improvement with immunosuppressive agents. (Fluvastatin label, Warnings and precautions)

  • Interferon beta-1aMinor

    A higher proportion of adult patients treated with OCREVUS experienced infections compared to patients taking REBIF or placebo. (Ocrelizumab label, Warnings and precautions)

  • LovastatinstatinMinor

    IMNM is characterized by: proximal muscle weakness and elevated serum creatine kinase, which persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy; and improvement with immunosuppressive agents. (Lovastatin label, Warnings)

  • Methimazoleantithyroid drugMinor

    In some cases, vasculitis resolved/improved with drug discontinuation; however, more severe cases required treatment with additional measures including corticosteroids, immunosuppressant therapy, and plasmapheresis. (Methimazole label, Warnings)

  • PitavastatinstatinMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy; and improvement with immunosuppressive agents. (Pitavastatin label, Warnings and precautions)

  • Posaconazoleazole antifungalMinor

    CYP3A Substrates Immunosuppressants that are CYP3A4 Substrates Mechanism and Clinical Effect(s) Posaconazole is a strong CYP3A4 inhibitor. (Posaconazole label, Drug interactions)

  • PravastatinstatinMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy; and improvement with immunosuppressive agents. (Pravastatin label, Warnings and precautions)

  • Propylthiouracilantithyroid drugMinor

    In some cases, vasculitis resolved/improved with drug discontinuation; however, more severe cases required treatment with additional measures including corticosteroids, immunosuppressant therapy, and plasmapheresis. (Propylthiouracil label, Warnings)

  • RosuvastatinstatinMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy; and improvement with immunosuppressive agents. (Rosuvastatin label, Warnings and precautions)

  • SimvastatinstatinMinor

    IMNM is characterized by proximal muscle weakness and elevated serum creatine kinase that persist despite discontinuation of statin treatment; positive anti-HMG CoA reductase antibody; muscle biopsy showing necrotizing myopathy without significant inflammation; and improvement with immunosuppressive agents. (Simvastatin label, Warnings and precautions)

No significant interaction reported (1)

  • Clarithromycinmacrolide antibioticNo interaction

    …Repaglinide, Rosiglitazone: [See Warnings and Precautions ( 5.4 ) and Adverse Reactions ( 6.2 )] Insulin Insulin: [See Warnings and Precautions ( 5.4 ) and Adverse Reactions ( 6.2 )] Immunosuppressants: Cyclosporine Use With Caution Cyclosporine: There have been spontaneous or published reports of CYP3A based interactions of clarithromycin with cyclosporine. (Clarithromycin 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.