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Prescription medicine · generic available

Sodium iodide i 123

Full FDA label All drugs

Official FDA data, not advice

Everything here comes from the U.S. Food and Drug Administration (FDA): the drug label, the NDC Directory, Drugs@FDA, recall reports and the drug shortage list. Each fact shows its source and date.

This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.

In an emergency, call 911. If someone may have taken too much of a medicine, call Poison Help: 1‑800‑222‑1222.

At a glance

NoBoxed warning
None listedFDA shortage list
0Recalls (FDA reports)
2Companies
1982First FDA approval on file

Quick answers

What is Sodium iodide i 123 used for?
The FDA-approved label (Sodium Iodide I 123, Cardinal Health 418, Inc, April 17, 2018) says: “INDICATION AND USE Administration of Sodium Iodide I 123 is indicated as a diagnostic procedure to be used in evaluating thyroid function and/or morphology.” This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.
Does Sodium iodide i 123 have a boxed warning?
No. None of the 2 FDA labels we found for this medicine has a boxed warning.
Is there a shortage of Sodium iodide i 123?
No current shortage is listed by the FDA for the products of this medicine (FDA data from October 30, 2026).
Has Sodium iodide i 123 been recalled?
No recall linked to the products of this medicine appears in the FDA enforcement reports we use.
Who makes Sodium iodide i 123?
2 companies list prescription products of Sodium iodide i 123 in the FDA NDC Directory, including Cardinal Health 418, Inc and Curium US LLC.

What Sodium iodide i 123 is used for

Quoted from the “Indications and Usage” section of the FDA-approved label.

INDICATION AND USE Administration of Sodium Iodide I 123 is indicated as a diagnostic procedure to be used in evaluating thyroid function and/or morphology.

— FDA label: Sodium Iodide I 123, Cardinal Health 418, Inc, effective April 17, 2018. Read the full label on DailyMed →

The FDA has 2 labels for products of this medicine (different makers and forms); uses can differ between them. Check the label that comes with your own medicine.

This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.

Boxed warning

A boxed warning (“black box”) is the FDA’s strongest warning on a drug label, for serious or life-threatening risks.

The label quoted above has no boxed warning.

0 of 2 FDA labels for this medicine have a boxed warning.

Forms and how it is given

Dosage formsCapsule, gelatin coated
RouteOral
Prescription products4 in the FDA NDC Directory

Companies that list this medicine

Labelers in the FDA NDC Directory: the company named on the package (maker or distributor), with the number of prescription products.

FDA approval history

  • NDA: New Drug Application: how a new (usually brand-name) medicine is approved.
  • ANDA: Abbreviated New Drug Application: how a generic version is approved.
Brand and biologic applications
ApplicationSponsorApprovedLater changes approved
NDA018671
SODIUM IODIDE I 123		 Cardinal Health 418May 27, 1982 11, latest June 13, 2008
2008: Labeling · 2000: Labeling · 1998: Labeling

Generic approvals (2)

Shortage status

The FDA drug shortage list does not show these products.

FDA Drug Shortages database →

Recalls

No recall linked to these products (by their NDC code) appears in the FDA enforcement reports.

Official identifiers

SPL set ID of the quoted label50415c27-1928-4307-b1dc-648f47edf65d
FDA labels (SPL)2
FDA applicationsNDA018671, 2 ANDA
Active ingredients (FDA)SODIUM IODIDE I-123

Sources

  1. FDA-approved label on DailyMed (National Library of Medicine) — Sodium Iodide I 123, Cardinal Health 418, Inc, effective April 17, 2018; via openFDA, FDA data exported October 30, 2026, retrieved October 31, 2026
  2. NDC Directory (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  3. Drugs@FDA (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  4. Drug recall enforcement reports (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 27, 2026, retrieved October 31, 2026
  5. Drug shortages (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026

openFDA data is provided by the FDA as is; it may be incomplete. Always rely on the label that comes with your medicine. FDA Enforcement Report search →

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