FDA drug class
Sulfonamide Antibacterials list
Every FDA-approved prescription drug the FDA NDC directory tags with the Sulfonamide Antibacterial [EPC] class, with brand names and DEA schedules.
Source: FDA NDC Directory file dated 2026-10-22. Publisher page
The FDA NDC directory lists 3 single-ingredient drugs in this class: silver sulfadiazine, sulfacetamide, sulfadiazine. Another 1 combination product include one of them.
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Sulfonamide Antibacterials (4)
| Drug | Brand names | Type | NDC listings | DEA schedule |
|---|---|---|---|---|
| Silver sulfadiazine | Ssd, Silvadene, Thermazene | Single ingredient | 20 | Not controlled |
| Sulfacetamide | Klaron | Single ingredient | 10 | Not controlled |
| Sulfadiazine | None listed | Single ingredient | 2 | Not controlled |
| Sulfacetamide and prednisolone | None listed | Combination | 2 | Not controlled |
FDA established pharmacologic class: Sulfonamide Antibacterial [EPC].
Questions
What drugs are Sulfonamide Antibacterials?
The FDA NDC directory lists 3 single-ingredient drugs in this class: silver sulfadiazine, sulfacetamide, sulfadiazine. Another 1 combination product include one of them.
Where does this list come from?
From the established pharmacologic class (EPC) field FDA publishes for each listing in the NDC directory. A drug is listed when most of its prescription listings carry the class.