Quick answers
- What is Prussian blue insoluble capsules used for?
- The FDA-approved label (Radiogardase, Heyl Chem.-pharm. Fabrik GmbH & Co. KG, October 7, 2021) says: “Radiogardase is indicated for treatment of patients with known or suspected internal contamination with radioactive cesium and/or radioactive or non-radioactive thallium, in order to increase their rates of elimination. …” This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or change any medicine.
- Does Prussian blue insoluble capsules 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 Prussian blue insoluble capsules?
- No current shortage is listed by the FDA for the products of this medicine (FDA data from October 30, 2026).
- Has Prussian blue insoluble capsules been recalled?
- No recall linked to the products of this medicine appears in the FDA enforcement reports we use.
- Who makes Prussian blue insoluble capsules?
- 1 company lists prescription products of Prussian blue insoluble capsules in the FDA NDC Directory, including Heyl Chem.-pharm. Fabrik GmbH & Co. KG.
What Prussian blue insoluble capsules is used for
Quoted from the “Indications and Usage” section of the FDA-approved label.
Radiogardase is indicated for treatment of patients with known or suspected internal contamination with radioactive cesium and/or radioactive or non-radioactive thallium, in order to increase their rates of elimination. …
— FDA label: Radiogardase, Heyl Chem.-pharm. Fabrik GmbH & Co. KG, effective October 7, 2021. 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.
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 | Capsule |
|---|---|
| Route | Oral |
| Prescription products | 1 in the FDA NDC Directory |
| Brand names | Radiogardase |
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.
| Application | Sponsor | Approved | Later changes approved |
|---|---|---|---|
| NDA021626 RADIOGARDASE (PRUSSIAN BLUE) | Heyl Chemisch | October 2, 2003 | 9, latest August 20, 2014 2014: Labeling · 2008: Manufacturing (CMC) · 2008: Manufacturing (CMC) |
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
| RxCUI (RxNorm) | 759006, 759009 |
|---|---|
| SPL set ID of the quoted label | baa68c79-5f3d-468a-a510-58b9e978cd50 |
| FDA labels (SPL) | 1 |
| FDA applications | NDA021626 |
| Active ingredients (FDA) | FERRIC FERROCYANIDE |
Sources
- FDA-approved label on DailyMed (National Library of Medicine) — Radiogardase, Heyl Chem.-pharm. Fabrik GmbH & Co. KG, effective October 7, 2021; 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 →