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Metastron Side Effects

Generic name: strontium-89 chloride

Medically reviewed by Last updated on Sep 13, 2022.

Note: This document contains side effect information about strontium-89 chloride. Some dosage forms listed on this page may not apply to the brand name Metastron.

Applies to strontium-89 chloride: solution.

Serious side effects of Metastron

Along with its needed effects, strontium-89 chloride (the active ingredient contained in Metastron) may cause some unwanted effects. When strontium chloride Sr 89 is used at recommended doses, side effects usually are rare. However, blood problems, such as a decrease in the number of white blood cells or platelets, may occur in some patients.

Check with your doctor immediately if any of the following side effects occur while taking strontium-89 chloride:


  • Black, tarry stools
  • blood in urine or stools
  • cough or hoarseness
  • fever or chills
  • lower back or side pain
  • painful or difficult urination
  • pinpoint red spots on skin
  • unusual bleeding or bruising

Other side effects of Metastron

Some side effects of strontium-89 chloride 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:

More common

  • Flushing
  • increase in bone pain

More about Metastron (strontium-89 chloride)

Patient resources

Professional resources

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.