Quick answers
- What is Bezlotoxumab used for?
- The FDA-approved label (Zinplava, Merck Sharp & Dohme LLC, November 12, 2024) says: “ZINPLAVA™ is indicated to reduce recurrence of Clostridioides difficile infection (CDI) in adults and pediatric patients 1 year of age and older who are receiving antibacterial drug treatment for CDI and are at a high risk for CDI recurrence. …” This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.
- Does Bezlotoxumab have a boxed warning?
- No. None of the 1 FDA labels we found for this medicine has a boxed warning.
- Is there a shortage of Bezlotoxumab?
- No current shortage is listed by the FDA for the products of this medicine (FDA data from October 30, 2026).
- Has Bezlotoxumab been recalled?
- No recall linked to the products of this medicine appears in the FDA enforcement reports we use.
- Who makes Bezlotoxumab?
- 1 company lists prescription products of Bezlotoxumab in the FDA NDC Directory, including Merck Sharp & Dohme LLC.
What Bezlotoxumab is used for
Quoted from the “Indications and Usage” section of the FDA-approved label.
ZINPLAVA™ is indicated to reduce recurrence of Clostridioides difficile infection (CDI) in adults and pediatric patients 1 year of age and older who are receiving antibacterial drug treatment for CDI and are at a high risk for CDI recurrence. …
— FDA label: Zinplava, Merck Sharp & Dohme LLC, effective November 12, 2024. 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.
The label quoted above has no boxed warning.
Forms and how it is given
| Dosage forms | Injection, solution |
|---|---|
| Route | Intravenous |
| Prescription products | 1 in the FDA NDC Directory |
| Brand names | Zinplava |
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.
- Merck Sharp & Dohme LLC1 product
FDA approval history
- BLA: Biologics License Application: how a biologic medicine (made from living cells) is approved.
| Application | Sponsor | Approved | Later changes approved |
|---|---|---|---|
| BLA761046 ZINPLAVA | Merck Sharp Dohme | October 21, 2016 | 1, latest May 26, 2023 2023: Efficacy |
Shortage status
The FDA drug shortage list does not show these products.
Recalls
No recall linked to these products (by their NDC code) appears in the FDA enforcement reports.
Official identifiers
| RxCUI (RxNorm) | 1855052, 1855057 |
|---|---|
| SPL set ID of the quoted label | 8f479bfe-2bfa-4cc5-9aee-1357364480b0 |
| FDA labels (SPL) | 1 |
| FDA applications | BLA761046 |
| Active ingredients (FDA) | BEZLOTOXUMAB |
Sources
- FDA-approved label on DailyMed (National Library of Medicine) — Zinplava, Merck Sharp & Dohme LLC, effective November 12, 2024; via openFDA, FDA data exported October 30, 2026, retrieved October 31, 2026
- NDC Directory (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
- Drugs@FDA (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
- Drug recall enforcement reports (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 27, 2026, retrieved October 31, 2026
- 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 →