DEA schedule
Is levothyroxine a controlled substance?
Federal schedule for levothyroxine from the FDA NDC directory, checked against the DEA controlled substances list.
Source: FDA NDC Directory file dated 2026-10-22. Publisher page
No. Levothyroxine is not a federally controlled substance. None of its FDA NDC listings carries a DEA schedule, and levothyroxine is not on the DEA controlled substances list.
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Schedule check
| Source | What it lists |
|---|---|
| FDA NDC directory | 584 prescription listings from 52 labelers, none with a DEA schedule |
| DEA controlled substances list | levothyroxine is not on the list |
Levothyroxine NDC listings
| NDC | Product | Form | Strength | Labeler | DEA schedule |
|---|---|---|---|---|---|
| 42023-201 | Levothyroxine Sodium | injection, powder, lyophilized, for solution | 100 ug/5mL | ENDO USA, Inc. | None |
| 63323-649 | Levothyroxine Sodium | injection, powder, lyophilized, for solution | 100 ug/5mL | Fresenius Kabi USA, LLC | None |
| 63323-649 | Levothyroxine Sodium | injection, powder, lyophilized, for solution | 100 ug/5mL | Fresenius Kabi USA, LLC | None |
| 63323-649 | Levothyroxine Sodium | injection, powder, lyophilized, for solution | 100 ug/5mL | Fresenius Kabi USA, LLC | None |
| 42023-202 | Levothyroxine Sodium | injection, powder, lyophilized, for solution | 200 ug/5mL | ENDO USA, Inc. | None |
| 63323-647 | Levothyroxine Sodium | injection, powder, lyophilized, for solution | 200 ug/5mL | Fresenius Kabi USA, LLC | None |
| 42023-203 | Levothyroxine Sodium | injection, powder, lyophilized, for solution | 500 ug/5mL | ENDO USA, Inc. | None |
| 63323-648 | Levothyroxine Sodium | injection, powder, lyophilized, for solution | 500 ug/5mL | Fresenius Kabi USA, LLC | None |
| 63323-648 | Levothyroxine Sodium | injection, powder, lyophilized, for solution | 500 ug/5mL | Fresenius Kabi USA, LLC | None |
| 24201-002 | Levothyroxine Sodium | injection, solution | 100 ug/mL | Hikma Pharmaceuticals USA Inc. | None |
| 63323-895 | Levothyroxine Sodium | injection, solution | 100 ug/mL | Fresenius Kabi USA, LLC | None |
| 63323-885 | Levothyroxine Sodium | injection, solution | 20 ug/mL | Fresenius Kabi USA, LLC | None |
| 63323-885 | Levothyroxine Sodium | injection, solution | 20 ug/mL | Fresenius Kabi USA, LLC | None |
| 63323-885 | Levothyroxine Sodium | injection, solution | 20 ug/mL | Fresenius Kabi USA, LLC | None |
| 63323-890 | Levothyroxine Sodium | injection, solution | 40 ug/mL | Fresenius Kabi USA, LLC | None |
| 0615-8573 | Levothyroxine Sodium | tablet | .025 mg/1 | NCS HealthCare of KY, LLC dba Vangard Labs | None |
| 71205-221 | Levothyroxine Sodium | tablet | .025 mg/1 | Proficient Rx LP | None |
| 0615-8574 | Levothyroxine Sodium | tablet | .05 mg/1 | NCS HealthCare of KY, LLC dba Vangard Labs | None |
| 51655-453 | Levothyroxine Sodium | tablet | .05 mg/1 | Northwind Health Company, LLC | None |
| 71205-242 | Levothyroxine Sodium | tablet | .05 mg/1 | Proficient Rx LP | None |
| 0615-8597 | Levothyroxine Sodium | tablet | .075 mg/1 | NCS HealthCare of KY, LLC dba Vangard Labs | None |
| 51655-687 | Levothyroxine Sodium | tablet | .075 mg/1 | Northwind Health Company, LLC | None |
| 0615-8598 | Levothyroxine Sodium | tablet | .088 mg/1 | NCS HealthCare of KY, LLC dba Vangard Labs | None |
| 51655-705 | Levothyroxine Sodium | tablet | .088 mg/1 | Northwind Health Company, LLC | None |
| 71205-261 | Levothyroxine Sodium | tablet | .088 mg/1 | Proficient Rx LP | None |
| 0615-8599 | Levothyroxine Sodium | tablet | .1 mg/1 | NCS HealthCare of KY, LLC dba Vangard Labs | None |
| 71205-240 | Levothyroxine Sodium | tablet | .1 mg/1 | Proficient Rx LP | None |
| 0615-8600 | Levothyroxine Sodium | tablet | .112 mg/1 | NCS HealthCare of KY, LLC dba Vangard Labs | None |
| 51655-557 | Levothyroxine Sodium | tablet | .112 mg/1 | Northwind Health Company, LLC | None |
| 71205-222 | Levothyroxine Sodium | tablet | .112 mg/1 | Proficient Rx LP | None |
| 0615-8575 | Levothyroxine Sodium | tablet | .125 mg/1 | NCS HealthCare of KY, LLC dba Vangard Labs | None |
| 51655-696 | Levothyroxine Sodium | tablet | .125 mg/1 | Northwind Health Company, LLC | None |
| 0615-8649 | Levothyroxine Sodium | tablet | .137 mg/1 | NCS HealthCare of KY, LLC dba Vangard Labs | None |
| 51655-513 | Levothyroxine Sodium | tablet | .137 mg/1 | Northwind Health Company, LLC | None |
| 71205-237 | Levothyroxine Sodium | tablet | .137 mg/1 | Proficient Rx LP | None |
| 0615-8650 | Levothyroxine Sodium | tablet | .15 mg/1 | NCS HealthCare of KY, LLC dba Vangard Labs | None |
| 51655-694 | Levothyroxine Sodium | tablet | .15 mg/1 | Northwind Health Company, LLC | None |
| 0615-8651 | Levothyroxine Sodium | tablet | .175 mg/1 | NCS HealthCare of KY, LLC dba Vangard Labs | None |
| 71205-255 | Levothyroxine Sodium | tablet | .175 mg/1 | Proficient Rx LP | None |
| 47781-651 | levothyroxine sodium | tablet | 100 ug/1 | Alvogen, Inc. | None |
Showing 40 of 584 listings.
Questions
Is levothyroxine a controlled substance?
No. Levothyroxine is not a federally controlled substance. None of its FDA NDC listings carries a DEA schedule, and levothyroxine is not on the DEA controlled substances list.
Is levothyroxine a narcotic?
No. Levothyroxine is not on the DEA controlled substances list, so the DEA does not classify it as a narcotic. Its FDA established pharmacologic class is l-Thyroxine.
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.
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