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Benlysta

Benlysta Dosage

Robert Chad Hakim, PharmD, BCCCPDaisy Chau, PharmD
Reviewed by Robert Chad Hakim, PharmD, BCCCP, Daisy Chau, PharmD
Last reviewed on June 8, 2026

The average cost for 1 carton of 4 autoinjectors of 200mg/ml of Benlysta is $5,140.36 with a free GoodRx coupon. This is 29.33% off the average retail price of $7,274.14.

vialVial

Dosage

Quantity

Price as low as

Price per unit

120mg

5 vials

$3,605.57

$721.11

400mg

1 vial

$2,406.36

$2,406.36

cartonCarton

Dosage

Quantity

Price as low as

Price per unit

4 autoinjectors of 200mg/ml

1 carton

$5,140.36

$5,140.36

4 prefilled syringes of 200mg/ml

1 carton

$5,140.36

$5,140.36

autoinjectorAutoinjector

Dosage

Quantity

Price as low as

Price per unit

200mg/ml of

4 autoinjectors

$5,140.36

$1,285.09

syringeSyringe

Dosage

Quantity

Price as low as

Price per unit

200mg/ml of

4 syringes

$5,140.36

$1,285.09

Typical dosage for Benlysta

Your care team will choose your dose of Benlysta based on your condition, your age, and your weight. It also depends on how you receive it, either as an infusion through a vein or an injection under the skin.

Intravenous (IV) injection:

  • SLE and lupus nephritis: The typical dose is 10 mg/kg injected into your vein every 2 weeks for 3 doses by a healthcare professional. After 3 doses, the dose will be given every 4 weeks.

Subcutaneous (SC) injection:

  • Adults:
    • SLE: The typical dose is 200 mg injected under the skin once per week.
    • Lupus nephritis: The typical dose is 400 mg injected under the skin once per week for 4 doses, then 200 mg once per week.
  • Children 5 to 17 years:
    • SLE:
      • Weigh 40 kg or more: The typical dose is 200 mg injected under the skin once per week.
      • Weigh 15 kg to less than 40 kg: The typical dose is 200 mg injected under the skin every 2 weeks.
    • Lupus nephritis:
      • Weigh 40 kg or more: The typical dose is 400 mg injected under the skin once per week for 4 doses, then 200 mg once per week.
      • Weigh 15 kg to less than 40 kg: The typical dose is 200 mg injected under the skin once per week for 4 doses, then 200 mg every 2 weeks.

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