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Generic Name: Prussian blue (PRUSH an BLOO)
Brand Name: Radiogardase
Physician reviewed Radiogardase patient information - includes Radiogardase description, dosage and directions.
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Drug Information:
Radiogardase was originally developed as a dye for use in paints and ink. It is used in medicine to help speed up the body's elimination of certain metals or chemical elements. It works by binding to the metals in the digestive tract to keep the body from absorbing them. Radiogardase is used to treat people who have been contaminated with radioactive cesium or thallium, or non-radioactive thallium. Radiogardase may also be used for other purposes not listed in this medication guide. Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use. Learn more

Radiogardase Side Effects

Radiogardase Side Effects

Note: This document contains side effect information about prussian blue. Some of the dosage forms listed on this page may not apply to the brand name Radiogardase.

In Summary

Common side effects of Radiogardase include: constipation. Other side effects include: hypokalemia. See below for a comprehensive list of adverse effects.

For the Consumer

Applies to prussian blue: oral capsule

Along with its needed effects, prussian blue (the active ingredient contained in Radiogardase) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking prussian blue:

More common

  • Convulsions
  • decreased urine
  • difficulty having a bowel movement (stool)
  • dry mouth
  • increased thirst
  • irregular heartbeat
  • loss of appetite
  • mood changes
  • muscle pain or cramps
  • nausea or vomiting
  • numbness or tingling in the hands, feet, or lips
  • shortness of breath
  • unusual tiredness or weakness

Some side effects of prussian blue may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Incidence not known

  • Blue colored stools

For Healthcare Professionals

Applies to prussian blue: oral capsule


The most common adverse event was constipation.


Very common (10% or more): Constipation (24%)

Frequency not reported: Gastrointestinal motility decreased, stools blue color, oral mucosa and dentition colored blue


Common (1% to 10%): Hypokalemia

Editorial References and Review

Medically reviewed by BestRx Medical Team Last updated on 1/1/2020.

Source: Drugs.com Radiogardase