Quick answers
- What is Thallous chloride, tl 201 used for?
- The FDA-approved label (THALLOUS CHLORIDE Tl 201, Curium US LLC, December 22, 2025) says: “Thallous Chloride Tl 201 Injection is indicated for use with planar scintigraphy or single-photon emission computed tomography (SPECT) for the following applications: Myocardial perfusion imaging in adults for the diagnosis of coronary artery disease by localization of …” This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.
- Does Thallous chloride, tl 201 have a boxed warning?
- No. None of the 1 FDA labels we found for this medicine has a boxed warning.
- Is there a shortage of Thallous chloride, tl 201?
- No current shortage is listed by the FDA for the products of this medicine (FDA data from October 30, 2026).
- Has Thallous chloride, tl 201 been recalled?
- No recall linked to the products of this medicine appears in the FDA enforcement reports we use.
- Who makes Thallous chloride, tl 201?
- 1 company lists prescription products of Thallous chloride, tl 201 in the FDA NDC Directory, including Curium US LLC.
What Thallous chloride, tl 201 is used for
Quoted from the “Indications and Usage” section of the FDA-approved label.
Thallous Chloride Tl 201 Injection is indicated for use with planar scintigraphy or single-photon emission computed tomography (SPECT) for the following applications: Myocardial perfusion imaging in adults for the diagnosis of coronary artery disease by localization of …
— FDA label: THALLOUS CHLORIDE Tl 201, Curium US LLC, effective December 22, 2025. Read the full label on DailyMed →
This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.
Conditions named on the label
These condition names appear word for word in the label’s “Indications and Usage” text (matched with a reviewed table). Each page lists hospitals whose own websites name the condition.
Related medical specialties
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.
Forms and how it is given
| Dosage forms | Injection, solution |
|---|---|
| Route | Intravenous |
| Prescription products | 1 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.
- Curium US LLC1 product
FDA approval history
- NDA: New Drug Application: how a new (usually brand-name) medicine is approved.
| Application | Sponsor | Approved | Later changes approved |
|---|---|---|---|
| NDA018150 THALLOUS CHLORIDE TL 201 | Curium | October 23, 1979 | 17, latest December 10, 2025 2025: Labeling · 2016: Labeling · 2012: Labeling |
Shortage status
The FDA drug shortage list does not show these products.
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 label | 0da81fc0-a137-46d3-9378-d8053a82e61a |
|---|---|
| FDA labels (SPL) | 1 |
| FDA applications | NDA018150 |
| Active ingredients (FDA) | THALLOUS CHLORIDE TL-201 |
Sources
- FDA-approved label on DailyMed (National Library of Medicine) — THALLOUS CHLORIDE Tl 201, Curium US LLC, effective December 22, 2025; via openFDA, FDA data exported October 30, 2026, retrieved October 31, 2026
- NDC Directory (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
- Drugs@FDA (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
- Drug recall enforcement reports (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 27, 2026, retrieved October 31, 2026
- 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 →