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Drug interactions

Prednisone + Sodium sulfate / potassium chloride / magnesium sulfate / polyethylene glycol

Severity: Moderate

Prednisone and Sodium sulfate / potassium chloride / magnesium sulfate / polyethylene glycol: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Bowel preparations can cause fluid and electrolyte losses, and prednisone can add to potassium loss. Together they may increase the risk of hypokalemia and related arrhythmias.

What this interaction means in plain words

Prednisone and Sodium sulfate / potassium chloride / magnesium sulfate / polyethylene glycol can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Evidence level: Low

Why it happens

Additive potassium loss from gastrointestinal fluid shifts and mineralocorticoid effects of prednisone.

What to do

Ensure adequate hydration and check electrolytes, especially potassium, in patients at higher risk such as those with heart disease or on other potassium-lowering drugs. Correct hypokalemia as needed.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Prednisone with Sodium sulfate / potassium chloride / magnesium sulfate / polyethylene glycol?

MediHelp rates the interaction as moderate. Prednisone and Sodium sulfate / potassium chloride / magnesium sulfate / polyethylene glycol can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Bowel preparations can cause fluid and electrolyte losses, and prednisone can add to potassium loss. Together they may increase the risk of hypokalemia and related arrhythmias.

How serious is the interaction between Prednisone and Sodium sulfate / potassium chloride / magnesium sulfate / polyethylene glycol?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Ensure adequate hydration and check electrolytes, especially potassium, in patients at higher risk such as those with heart disease or on other potassium-lowering drugs. Correct hypokalemia as needed.

What other medicines interact with Prednisone?

MediHelp also lists interactions of Prednisone with, for example, Bcg vaccine live, Measles vaccine, Mifepristone. The full list is on the Prednisone page.

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