DEA schedule
Is methimazole a controlled substance?
Federal schedule for methimazole from the FDA NDC directory, checked against the DEA controlled substances list.
Source: FDA NDC Directory file dated 2026-10-22. Publisher page
No. Methimazole is not a federally controlled substance. None of its FDA NDC listings carries a DEA schedule, and methimazole is not on the DEA controlled substances list.
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Schedule check
| Source | What it lists |
|---|---|
| FDA NDC directory | 54 prescription listings from 21 labelers, none with a DEA schedule |
| DEA controlled substances list | methimazole is not on the list |
Methimazole NDC listings
| NDC | Product | Form | Strength | Labeler | DEA schedule |
|---|---|---|---|---|---|
| 0832-6073 | Methimazole | tablet | 10 mg/1 | Upsher-Smith Laboratories, LLC | None |
| 11788-012 | Methimazole | tablet | 10 mg/1 | AiPing Pharmaceutical, Inc. | None |
| 23155-071 | Methimazole | tablet | 10 mg/1 | Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc. | None |
| 33342-336 | Methimazole | tablet | 10 mg/1 | Macleods Pharmaceuticals Limited | None |
| 50268-496 | Methimazole | tablet | 10 mg/1 | AvPAK | None |
| 60429-381 | Methimazole | tablet | 10 mg/1 | Golden State Medical Supply, Inc. | None |
| 60687-680 | Methimazole | tablet | 10 mg/1 | American Health Packaging | None |
| 62135-206 | Methimazole | tablet | 10 mg/1 | Chartwell RX, LLC | None |
| 63629-9251 | Methimazole | tablet | 10 mg/1 | Bryant Ranch Prepack | None |
| 64380-213 | Methimazole | tablet | 10 mg/1 | Strides Pharma Science Limited | None |
| 64980-265 | Methimazole | tablet | 10 mg/1 | Rising Pharma Holdings, Inc. | None |
| 67046-1652 | methimazole | tablet | 10 mg/1 | Coupler LLC | None |
| 68788-4063 | Methimazole | tablet | 10 mg/1 | Preferred Pharmaceuticals Inc. | None |
| 68788-8227 | Methimazole | tablet | 10 mg/1 | Preferred Pharmaceuticals Inc. | None |
| 69452-329 | Methimazole | tablet | 10 mg/1 | Bionpharma Inc. | None |
| 70518-1475 | Methimazole | tablet | 10 mg/1 | REMEDYREPACK INC. | None |
| 71335-0883 | Methimazole | tablet | 10 mg/1 | Bryant Ranch Prepack | None |
| 71335-2218 | Methimazole | tablet | 10 mg/1 | Bryant Ranch Prepack | None |
| 71335-2349 | Methimazole | tablet | 10 mg/1 | Bryant Ranch Prepack | None |
| 71335-2906 | Methimazole | tablet | 10 mg/1 | Bryant Ranch Prepack | None |
| 71335-3027 | Methimazole | tablet | 10 mg/1 | Bryant Ranch Prepack | None |
| 72162-1803 | Methimazole | tablet | 10 mg/1 | Bryant Ranch Prepack | None |
| 72578-213 | methimazole | tablet | 10 mg/1 | Viona Pharmaceuticals Inc. | None |
| 72603-316 | Methimazole | tablet | 10 mg/1 | NORTHSTAR RX LLC | None |
| 73190-085 | Methimazole | tablet | 10 mg/1 | AvKARE | None |
| 76483-083 | methimazole | tablet | 10 mg/1 | SQUARE PHARMACEUTICALS PLC. | None |
| 82804-231 | Methimazole | tablet | 10 mg/1 | Proficient Rx LP | None |
| 0832-6072 | Methimazole | tablet | 5 mg/1 | Upsher-Smith Laboratories, LLC | None |
| 11788-011 | Methimazole | tablet | 5 mg/1 | AiPing Pharmaceutical, Inc. | None |
| 23155-070 | Methimazole | tablet | 5 mg/1 | Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc. | None |
| 33342-335 | Methimazole | tablet | 5 mg/1 | Macleods Pharmaceuticals Limited | None |
| 50090-6536 | Methimazole | tablet | 5 mg/1 | A-S Medication Solutions | None |
| 50268-495 | Methimazole | tablet | 5 mg/1 | AvPAK | None |
| 60429-380 | Methimazole | tablet | 5 mg/1 | Golden State Medical Supply, Inc. | None |
| 60687-669 | Methimazole | tablet | 5 mg/1 | American Health Packaging | None |
| 62135-205 | Methimazole | tablet | 5 mg/1 | Chartwell RX, LLC | None |
| 63629-8347 | Methimazole | tablet | 5 mg/1 | Bryant Ranch Prepack | None |
| 63629-9249 | Methimazole | tablet | 5 mg/1 | Bryant Ranch Prepack | None |
| 63629-9250 | Methimazole | tablet | 5 mg/1 | Bryant Ranch Prepack | None |
| 64380-212 | Methimazole | tablet | 5 mg/1 | Strides Pharma Science Limited | None |
Showing 40 of 54 listings.
Questions
Is methimazole a controlled substance?
No. Methimazole is not a federally controlled substance. None of its FDA NDC listings carries a DEA schedule, and methimazole is not on the DEA controlled substances list.
Is methimazole a narcotic?
No. Methimazole is not on the DEA controlled substances list, so the DEA does not classify it as a narcotic. Its FDA established pharmacologic class is Thyroid Hormone Synthesis Inhibitor.
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.