DEA schedule
Is Tirosint a controlled substance?
Tirosint contains levothyroxine. Federal schedule from the FDA NDC directory, checked against the DEA controlled substances list.
Source: FDA NDC Directory file dated 2026-10-22. Publisher page
No. Tirosint (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 | 30 prescription listings from 1 labelers, none with a DEA schedule |
| DEA controlled substances list | levothyroxine is not on the list |
Tirosint NDC listings
| NDC | Product | Form | Strength | Labeler | DEA schedule |
|---|---|---|---|---|---|
| 71858-0030 | Tirosint | capsule | 100 ug/1 | IBSA Pharma Inc. | None |
| 71858-0035 | Tirosint | capsule | 112 ug/1 | IBSA Pharma Inc. | None |
| 71858-0040 | Tirosint | capsule | 125 ug/1 | IBSA Pharma Inc. | None |
| 71858-0005 | Tirosint | capsule | 13 ug/1 | IBSA Pharma Inc. | None |
| 71858-0045 | Tirosint | capsule | 137 ug/1 | IBSA Pharma Inc. | None |
| 71858-0050 | Tirosint | capsule | 150 ug/1 | IBSA Pharma Inc. | None |
| 71858-0055 | Tirosint | capsule | 175 ug/1 | IBSA Pharma Inc. | None |
| 71858-0060 | Tirosint | capsule | 200 ug/1 | IBSA Pharma Inc. | None |
| 71858-0010 | Tirosint | capsule | 25 ug/1 | IBSA Pharma Inc. | None |
| 71858-0012 | Tirosint | capsule | 37.5 ug/1 | IBSA Pharma Inc. | None |
| 71858-0013 | Tirosint | capsule | 44 ug/1 | IBSA Pharma Inc. | None |
| 71858-0015 | Tirosint | capsule | 50 ug/1 | IBSA Pharma Inc. | None |
| 71858-0017 | Tirosint | capsule | 62.5 ug/1 | IBSA Pharma Inc. | None |
| 71858-0020 | Tirosint | capsule | 75 ug/1 | IBSA Pharma Inc. | None |
| 71858-0025 | Tirosint | capsule | 88 ug/1 | IBSA Pharma Inc. | None |
| 71858-0130 | Tirosint SOL | solution | 100 ug/mL | IBSA Pharma Inc. | None |
| 71858-0135 | Tirosint SOL | solution | 112 ug/mL | IBSA Pharma Inc. | None |
| 71858-0140 | Tirosint SOL | solution | 125 ug/mL | IBSA Pharma Inc. | None |
| 71858-0105 | Tirosint SOL | solution | 13 ug/mL | IBSA Pharma Inc. | None |
| 71858-0145 | Tirosint SOL | solution | 137 ug/mL | IBSA Pharma Inc. | None |
| 71858-0150 | Tirosint SOL | solution | 150 ug/mL | IBSA Pharma Inc. | None |
| 71858-0155 | Tirosint SOL | solution | 175 ug/mL | IBSA Pharma Inc. | None |
| 71858-0160 | Tirosint SOL | solution | 200 ug/mL | IBSA Pharma Inc. | None |
| 71858-0110 | Tirosint SOL | solution | 25 ug/mL | IBSA Pharma Inc. | None |
| 71858-0112 | Tirosint SOL | solution | 37.5 ug/mL | IBSA Pharma Inc. | None |
| 71858-0113 | Tirosint SOL | solution | 44 ug/mL | IBSA Pharma Inc. | None |
| 71858-0115 | Tirosint SOL | solution | 50 ug/mL | IBSA Pharma Inc. | None |
| 71858-0117 | Tirosint SOL | solution | 62.5 ug/mL | IBSA Pharma Inc. | None |
| 71858-0120 | Tirosint SOL | solution | 75 ug/mL | IBSA Pharma Inc. | None |
| 71858-0125 | Tirosint SOL | solution | 88 ug/mL | IBSA Pharma Inc. | None |
Questions
Is Tirosint a controlled substance?
No. Tirosint (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 Tirosint a narcotic?
No. Tirosint (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.
More on Tirosint
- What is Tirosint used for?FDA label uses
- Generic for TirosintFDA Orange Book
- What is Levothyroxine used for?FDA label uses
- Is Levothyroxine a controlled substance?Federal schedule
- Generic for ThyquidityFDA Orange Book
- Generic for Tirosint-solFDA Orange Book
- Generic for Levo-tFDA Orange Book
- Generic for LevoletFDA Orange Book
- Generic for LevoxylFDA Orange Book
- Generic for SynthroidFDA Orange Book
- Generic for Thyro-tabsFDA Orange Book
- Generic for UnithroidFDA Orange Book
- L-Thyroxines listFDA drug class
- Tirosint Medicare Part D coverageBy plan and state
- NDC 71858-0005Tirosint NDC record
- NDC 71858-0010Tirosint NDC record