Quick answers
- What is Anhydrous citric acid used for?
- The FDA-approved label (Xenleta, Meitheal Pharmaceuticals Inc., July 22, 2026) says: “XENLETA is a pleuromutilin antibacterial indicated for the treatment of adults with community-acquired bacterial pneumonia (CABP) caused by susceptible microorganisms. To reduce the development of drug resistant bacteria and maintain the effectiveness of XENLETA and other antibacterial drugs, XENLETA should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria. …” This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.
- Does Anhydrous citric acid 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 Anhydrous citric acid?
- No current shortage is listed by the FDA for the products of this medicine (FDA data from October 30, 2026).
- Has Anhydrous citric acid been recalled?
- No recall linked to the products of this medicine appears in the FDA enforcement reports we use.
- Who makes Anhydrous citric acid?
- 1 company lists prescription products of Anhydrous citric acid in the FDA NDC Directory, including Meitheal Pharmaceuticals Inc..
What Anhydrous citric acid is used for
Quoted from the “Indications and Usage” section of the FDA-approved label.
XENLETA is a pleuromutilin antibacterial indicated for the treatment of adults with community-acquired bacterial pneumonia (CABP) caused by susceptible microorganisms. To reduce the development of drug resistant bacteria and maintain the effectiveness of XENLETA and other antibacterial drugs, XENLETA should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria. …
— FDA label: Xenleta, Meitheal Pharmaceuticals Inc., effective July 22, 2026. 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.
Conditions named on the label
These condition names appear word for word in the label’s “Indications and Usage” text (matched with a reviewed table). Each page lists hospitals whose own websites name the condition.
Related medical specialties
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 | Citric Buffered Normal Saline |
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.
- Meitheal Pharmaceuticals Inc.1 product
FDA approval history
- NDA: New Drug Application: how a new (usually brand-name) medicine is approved.
| Application | Sponsor | Approved | Later changes approved |
|---|---|---|---|
| NDA211673 XENLETA | Hong Kong | August 19, 2019 | 2, latest March 16, 2021 2021: Labeling · 2020: Labeling |
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
Sources
- FDA-approved label on DailyMed (National Library of Medicine) — Xenleta, Meitheal Pharmaceuticals Inc., effective July 22, 2026; 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 →