Tocilizumab has 15 known drug interactions based on U.S. FDA drug labeling data. Of these, 1 are contraindicated combinations that should be avoided entirely. 3 are classified as major interactions requiring close medical supervision. Notable interactions include combinations with Live Vaccines, Infliximab, Infliximab-Axxq. Patients taking Tocilizumab should inform their healthcare provider of all current medications — including over-the-counter drugs and supplements — to avoid potentially harmful combinations. Data sourced from OpenFDA and the NIH National Library of Medicine.
- Total
- 15
- Contraindicated
- 1
- Major
- 3
- Moderate
- 8
- Minor
- 1
Contraindicated (1)
- Tocilizumab + Live Vaccines— Avoid use of live vaccines concurrently with tocilizumab.
Major (3)
- Tocilizumab + Infliximab— Concomitant use with infliximab should be avoided due to possibility of increased immunosuppression and increased risk o…
- Tocilizumab + Infliximab-Axxq— Concomitant use should be avoided due to possibility of increased immunosuppression and increased risk of infection when…
- Tocilizumab + Infliximab-Dyyb— Concomitant use should be avoided due to possibility of increased immunosuppression and increased risk of infection.
Moderate (8)
- Tocilizumab + Atorvastatin— Exercise caution when coadministering TOFIDENCE with CYP3A4 substrate drugs where decrease in effectiveness is undesirab…
- Tocilizumab + Cyclosporine— Tocilizumab may affect cyclosporine concentrations; therapeutic drug monitoring and dose adjustment recommended upon ini…
- Tocilizumab + Lovastatin— Exercise caution when coadministering TOFIDENCE with CYP3A4 substrate drugs where decrease in effectiveness is undesirab…
- Tocilizumab + Omeprazole— Tocilizumab may decrease omeprazole exposure by up to 28% due to increased CYP2C19 and CYP3A4 metabolism. Therapeutic mo…
- Tocilizumab + Oral Contraceptives— Exercise caution with tocilizumab coadministration as CYP3A4 inhibition may decrease oral contraceptive effectiveness.
- Tocilizumab + Simvastatin— Tocilizumab may decrease simvastatin exposure by up to 57% due to increased CYP3A4 metabolism. Dose adjustment may be ne…
- Tocilizumab + Theophylline— Tocilizumab may affect theophylline concentrations; therapeutic drug monitoring and dose adjustment recommended upon ini…
- Tocilizumab + Warfarin— Tocilizumab may affect warfarin metabolism; therapeutic monitoring of effect recommended upon initiation or discontinuat…
Minor (1)
- Tocilizumab + Methotrexate— Concomitant administration with tocilizumab had no clinically significant effect on methotrexate exposure.