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Prescription medicine

Ravulizumab

Drug class: Complement Inhibitor

The FDA’s “Established Pharmacologic Class”: the group of medicines that work in a similar way.

Official FDA data, not advice

Everything here comes from the U.S. Food and Drug Administration (FDA): the drug label, the NDC Directory, Drugs@FDA, recall reports and the drug shortage list. Each fact shows its source and date.

This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.

In an emergency, call 911. If someone may have taken too much of a medicine, call Poison Help: 1‑800‑222‑1222.

Quick answers

What is Ravulizumab used for?
The FDA-approved label (Ultomiris, Alexion Pharmaceuticals Inc., October 9, 2025) says: “ULTOMIRIS is a complement inhibitor indicated for: the treatment of adult and pediatric patients one month of age and older with paroxysmal nocturnal hemoglobinuria (PNH). the treatment of adult and pediatric patients one month of age and older with atypical hemolytic uremic syndrome (aHUS) to inhibit complement-mediated thrombotic microangiopathy (TMA). Limitations of Use …” This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.
Does Ravulizumab have a boxed warning?
Yes. The FDA label for Ultomiris has a boxed warning, the FDA’s strongest warning. Read it on the full label and ask your pharmacist.
Is there a shortage of Ravulizumab?
No current shortage is listed by the FDA for the products of this medicine (FDA data from October 30, 2026).
Has Ravulizumab been recalled?
No recall linked to the products of this medicine appears in the FDA enforcement reports we use.
Who makes Ravulizumab?
1 company lists prescription products of Ravulizumab in the FDA NDC Directory, including Alexion Pharmaceuticals Inc..

What Ravulizumab is used for

Quoted from the “Indications and Usage” section of the FDA-approved label.

ULTOMIRIS is a complement inhibitor indicated for: the treatment of adult and pediatric patients one month of age and older with paroxysmal nocturnal hemoglobinuria (PNH). the treatment of adult and pediatric patients one month of age and older with atypical hemolytic uremic syndrome (aHUS) to inhibit complement-mediated thrombotic microangiopathy (TMA). Limitations of Use …

— FDA label: Ultomiris, Alexion Pharmaceuticals Inc., effective October 9, 2025. Read the full label on DailyMed →

This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.

Boxed warning

A boxed warning (“black box”) is the FDA’s strongest warning on a drug label, for serious or life-threatening risks.

This label has a boxed warning. Read it on the full label →

Forms and how it is given

Dosage formsSolution, concentrate
RouteIntravenous
Prescription products3 in the FDA NDC Directory
Brand namesUltomiris

Companies that list this medicine

Labelers in the FDA NDC Directory: the company named on the package (maker or distributor), with the number of prescription products.

FDA approval history

  • BLA: Biologics License Application: how a biologic medicine (made from living cells) is approved.
Brand and biologic applications
ApplicationSponsorApprovedLater changes approved
BLA761108
ULTOMIRIS
Alexion PharmDecember 21, 2018 19, latest October 21, 2026
2026: Efficacy · 2026: REMS · 2025: Manufacturing (CMC)

Shortage status

The FDA drug shortage list does not show these products.

FDA Drug Shortages database →

Recalls

No recall linked to these products (by their NDC code) appears in the FDA enforcement reports.

Official identifiers

RxCUI (RxNorm)2107320, 2107325, 2461134, 2461136, 2461139, 2461140
SPL set ID of the quoted labela9a590d9-0217-43c7-908d-e62a71279791
FDA labels (SPL)1
FDA applicationsBLA761108
Active ingredients (FDA)RAVULIZUMAB

Sources

  1. FDA-approved label on DailyMed (National Library of Medicine) — Ultomiris, Alexion Pharmaceuticals Inc., effective October 9, 2025; via openFDA, FDA data exported October 30, 2026, retrieved October 31, 2026
  2. NDC Directory (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  3. Drugs@FDA (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  4. Drug recall enforcement reports (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 27, 2026, retrieved October 31, 2026
  5. Drug shortages (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026

openFDA data is provided by the FDA as is; it may be incomplete. Always rely on the label that comes with your medicine. FDA Enforcement Report search →

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