FDA label
What is neomycin used for?
The FDA-approved uses of neomycin, quoted from the Indications and Usage section of its DailyMed label.
Source: DailyMed SPL label file dated 2026-10-23. Publisher page
The FDA label for neomycin lists 2 uses: Suppression of Intestinal Bacteria; Hepatic Coma (Portal-Systemic Encephalopathy).
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Neomycin Sulfate, tablet
Indications and Usage, quoted from the label by Solaris Pharma Corporation (ANDA065220). Cross-references to other label sections are left out.
To reduce the development of drug-resistant bacteria and maintain the effectiveness of Neomycin Sulfate Tablets, USP and other antibacterial drugs, Neomycin Sulfate Tablets, USP should be used only to treat or prevent infections that are proven or strongly suspected to be caused by susceptible bacteria. When culture and susceptibility information are available, they should be considered in selecting or modifying antibacterial therapy. In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy.
Suppression of Intestinal Bacteria
Neomycin Sulfate Tablets, USP are indicated as adjunctive therapy as part of a regimen for the suppression of the normal bacterial flora of the bowel, e.g. preoperative preparation of the bowel. It is given concomitantly with erythromycin enteric-coated base (see DOSAGE AND ADMINISTRATION section).
Hepatic Coma (Portal-Systemic Encephalopathy)
Neomycin sulfate has been shown to be effective adjunctive therapy in hepatic coma by reduction of the ammonia-forming bacteria in the intestinal tract. The subsequent reduction in blood ammonia has resulted in neurologic improvement.
Source: DailyMed label, set id f430c5d9-ae82-3314-e053-2a95a90af04c, version 3, effective October 3, 2025. NDC 73473-901, one of 4 listings for this product.
Questions
What is neomycin used for?
The FDA label for neomycin lists 2 uses: Suppression of Intestinal Bacteria; Hepatic Coma (Portal-Systemic Encephalopathy).
What drug class is neomycin?
FDA lists neomycin in the Aminoglycoside Antibacterial established pharmacologic class.
Does this page cover off-label uses or dosing?
No. This page shows only the Indications and Usage section of the FDA label. Ask a pharmacist or prescriber about dosing.