Drug interactions
Fludrocortisone + Sodium sulfate / potassium chloride / magnesium sulfate / polyethylene glycol
Severity: Moderate
Fludrocortisone 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
Fludrocortisone promotes renal potassium loss, and bowel preparations cause fluid and electrolyte shifts through diarrhea. Together they can increase the risk of hypokalemia and dehydration, particularly in vulnerable patients.
What this interaction means in plain words
Fludrocortisone 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.
Why it happens
Mineralocorticoid-driven renal potassium wasting adds to gastrointestinal fluid and electrolyte losses from the bowel preparation.
What to do
Ensure adequate hydration and check serum potassium and electrolytes before and after bowel preparation in patients on fludrocortisone, especially with heart disease or QT-prolonging drugs.
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?
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Other interactions of Fludrocortisone
Frequently asked questions
Can I take Fludrocortisone with Sodium sulfate / potassium chloride / magnesium sulfate / polyethylene glycol?
MediHelp rates the interaction as moderate. Fludrocortisone 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. Fludrocortisone promotes renal potassium loss, and bowel preparations cause fluid and electrolyte shifts through diarrhea. Together they can increase the risk of hypokalemia and dehydration, particularly in vulnerable patients.
How serious is the interaction between Fludrocortisone 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 serum potassium and electrolytes before and after bowel preparation in patients on fludrocortisone, especially with heart disease or QT-prolonging drugs.
What other medicines interact with Fludrocortisone?
MediHelp also lists interactions of Fludrocortisone with, for example, Mifepristone, Aldesleukin, Amphotericin b. The full list is on the Fludrocortisone page.
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