Benlysta

Belimumab · GlaxoSmithKline LLC
PRESCRIPTION ONLY (USA)

Benlysta ingredients

Active ingredientStrength
Belimumab200 mg/mL, 120 mg/1.5mL, 400 mg/5mL

What Benlysta is used for

The FDA lists the approved uses on the official label (below). In the EU, belimumab is approved as Benlysta for:

Benlysta is indicated as add-on therapy in patients aged 5 years and older with active, autoantibody-positive systemic lupus erythematosus (SLE) with a high degree of disease activity (e.g., positive anti‑dsDNA and low complement) despite standard therapy. Benlysta is indicated in combination with background immunosuppressive therapies for the treatment of adult patients with active lupus nephritis. Benlysta is indicated as add-on therapy in adult patients with active, autoantibody-positive systemic lupus erythematosus (SLE) with a high degree of disease activity (e.g., positive anti dsDNA and low complement) despite standard therapy.

EU wording from the European Medicines Agency; US approved uses can differ.

Key facts

Brand
Benlysta
Generic name
Belimumab
Made by
GlaxoSmithKline LLC
Forms
Injection, Powder, Lyophilized, For Solution, Solution
Given
Intravenous, Subcutaneous
Drug class
B Lymphocyte Stimulator-specific Inhibitor
FDA approval
Biologic licence (BLA) BLA761043
On the US market since
2011

Official information

Specialist medicine: started and supervised by a specialist doctor or hospital. This page is a plain-language summary of public official information, not medical advice; follow your doctor and the official product information.

Common questions

What is Benlysta?

Benlysta (Belimumab) is a specialist medicine made by GlaxoSmithKline LLC, approved by the US FDA.

What are the ingredients of Benlysta?

Benlysta contains Belimumab (200 mg/mL, 120 mg/1.5mL, 400 mg/5mL).

Is Benlysta approved in Europe?

The same active substance is approved in the EU as Benlysta.

From the FDA National Drug Code directory (open.fda.gov, public domain) and the European Medicines Agency medicines list. Page made 5 November 2026 by Satya Babu.

← All specialty medicines, USA

For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.