Strontium/Oral Calcium Products Interactions

This information is generalized and not intended as specific medical advice. Consult your healthcare professional before taking or discontinuing any drug or commencing any course of treatment.

Medical warning:

Moderate. These medicines may cause some risk when taken together. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.

How the interaction occurs:

Products that contain calcium may prevent your body from absorbing your strontium.

What might happen:

Your strontium may not work as well.

What you should do about this interaction:

Do not take products containing calcium within two hours before or after taking your strontium.Your healthcare professionals may already be aware of this interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.

  • 1.Protelos (strontium ranelate) UK summary of product characteristics. Les Laboratoires Servier September 21, 2004.
  • 2.Bonisara (strontium gluconate) US prescribing information. Zylera Pharmaceuticals September, 2006.