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Radiogardase® (insoluble prussian blue)
Prussian Blue Insoluble Capsules
For Oral Administration


Radiogardase®  (Prussian blue) Structural Formula Illustration

Prussian blue insoluble capsules contain insoluble ferric hexacyanoferrate(II), with an empirical formula of Fe [Fe(CN) ] and a molecular weight of 859.3 Daltons. It is provided as 0.5 gram 4 63 of Prussian blue powder in gelatin capsules with 0 – 38 mg of microcrystalline cellulose. The dark blue capsules are imprinted with the light blue inscription: PB. The powder may vary from uniformly fine, dark granules to coarse light and dark-colored granules. The structural formula for Prussian blue insoluble is shown below.

The crystal structure of Prussian blue is a cubic lattice with the Fe and Fe atoms occupying the corners of the cube and the cyanide groups positioned on the sides.

What are the possible side effects of Prussian blue (Radiogardase)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Tell your caregivers at once if you have a serious side effect such as severe constipation or stomach pain.

Less serious side effects may include mild constipation or minor stomach discomfort.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at...

Read All Potential Side Effects and See Pictures of Radiogardase »

Last reviewed on RxList: 10/1/2008
This monograph has been modified to include the generic and brand name in many instances.


Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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