Skip to Content

Drug Interactions between Milk of Magnesia and sodium biphosphate / sodium phosphate

This report displays the potential drug interactions for the following 2 drugs:

  • Milk of Magnesia (magnesium hydroxide)
  • sodium biphosphate/sodium phosphate

Edit list (add/remove drugs)

Interactions between your drugs

No interactions were found between Milk of Magnesia and sodium biphosphate / sodium phosphate. This does not necessarily mean no interactions exist. Always consult your healthcare provider.

Milk of Magnesia

A total of 376 drugs are known to interact with Milk of Magnesia.

sodium biphosphate / sodium phosphate

A total of 382 drugs are known to interact with sodium biphosphate / sodium phosphate.

Drug and food interactions


sodium biphosphate food

Applies to: sodium biphosphate / sodium phosphate

Oral medications may not be properly absorbed when they are taken within one hour before starting sodium biphosphate for bowel cleansing. Talk to your doctor or pharmacist to see if you should adjust the dosing schedule of your other medications before you begin bowel cleansing treatment. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Switch to professional interaction data

Therapeutic duplication warnings

Therapeutic duplication is the use of more than one medicine from the same drug category or therapeutic class to treat the same condition. This can be intentional in cases where drugs with similar actions are used together for demonstrated therapeutic benefit. It can also be unintentional in cases where a patient has been treated by more than one doctor, or had prescriptions filled at more than one pharmacy, and can have potentially adverse consequences.


Stimulant and hyperosmotic laxatives

Therapeutic duplication

The recommended maximum number of medicines in the 'stimulant and hyperosmotic laxatives' category to be taken concurrently is usually one. Your list includes two medicines belonging to the 'stimulant and hyperosmotic laxatives' category:

  • Milk of Magnesia (magnesium hydroxide)
  • sodium biphosphate/sodium phosphate

Note: The benefits of taking this combination of medicines may outweigh any risks associated with therapeutic duplication. This information does not take the place of talking to your doctor. Always check with your healthcare provider to determine if any adjustments to your medications are needed.

Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

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