Belimumab Injection

Name: Belimumab Injection Drug Interactions
Creator: Dr. Brian Staiger, PharmD, BCPS

18 interactions 33 cited references

Also sold as: Benlysta Benlysta®

About Belimumab Injection

Belimumab is used with other medications to treat certain types of systemic lupus erythematosus (SLE or lupus; an autoimmune disease in which the immune system attacks healthy parts of the body such as joints, skin, blood vessels, and organs) in adults and children 5 years of age and older. Belimumab is also used with… Read the full Belimumab Injection drug information page →

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Aug 9, 2026 · Editorial policy · Data sources

Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →

Most serious with: Rituximab

1 Major 17 Moderate

All (18) Major (1) Moderate (17)

Major

Belimumab Injection Rituximab An increased risk of serious infections and post-injection systemic reactions Details

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Educational information only, not medical advice. Always confirm interactions with your pharmacist or prescriber before making any change to your medications.