DEA schedule
Is trimethoprim a controlled substance?
Federal schedule for trimethoprim from the FDA NDC directory, checked against the DEA controlled substances list.
Source: FDA NDC Directory file dated 2026-10-22. Publisher page
No. Trimethoprim is not a federally controlled substance. None of its FDA NDC listings carries a DEA schedule, and trimethoprim is not on the DEA controlled substances list.
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Schedule check
| Source | What it lists |
|---|---|
| FDA NDC directory | 5 prescription listings from 5 labelers, none with a DEA schedule |
| DEA controlled substances list | trimethoprim is not on the list |
Trimethoprim NDC listings
| NDC | Product | Form | Strength | Labeler | DEA schedule |
|---|---|---|---|---|---|
| 75907-043 | Trimethoprim | tablet | 100 mg/1 | Dr. Reddy's Labratories Inc. | None |
| 40032-330 | Trimethoprim | tablet | 100 mg/1 | Novel Laboratories, Inc. | None |
| 43386-330 | Trimethoprim | tablet | 100 mg/1 | Lupin Pharmaceuticals,Inc. | None |
| 51407-738 | Trimethoprim | tablet | 100 mg/1 | Golden State Medical Supply, Inc. | None |
| 70954-541 | Trimethoprim | tablet | 100 mg/1 | Novitium Pharma LLC | None |
Questions
Is trimethoprim a controlled substance?
No. Trimethoprim is not a federally controlled substance. None of its FDA NDC listings carries a DEA schedule, and trimethoprim is not on the DEA controlled substances list.
Is trimethoprim a narcotic?
No. Trimethoprim is not on the DEA controlled substances list, so the DEA does not classify it as a narcotic. Its FDA established pharmacologic class is Dihydrofolate Reductase Inhibitor Antibacterial.
Does this page cover state schedules?
No. This page reports the federal schedule only. Some states schedule drugs on their own; check your state board of pharmacy.