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Drug interactions

Fludrocortisone + Sodium picosulfate / magnesium oxide / anhydrous citric acid

Severity: Moderate

Fludrocortisone and Sodium picosulfate / magnesium oxide / anhydrous citric acid: moderate interaction.

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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 cause fluid loss and electrolyte shifts, and fludrocortisone promotes renal potassium loss and sodium retention. Together they can worsen hypokalemia and dehydration, raising the risk of arrhythmia.

What this interaction means in plain words

Fludrocortisone and Sodium picosulfate / magnesium oxide / anhydrous citric acid 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: Moderate

Why it happens

Additive potassium and fluid depletion from mineralocorticoid-induced renal potassium wasting plus osmotic or stimulant catharsis.

What to do

Check serum potassium and magnesium before the procedure in at-risk patients and correct deficits; ensure adequate hydration and recheck electrolytes if symptoms occur.

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 Fludrocortisone with Sodium picosulfate / magnesium oxide / anhydrous citric acid?

MediHelp rates the interaction as moderate. Fludrocortisone and Sodium picosulfate / magnesium oxide / anhydrous citric acid 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 cause fluid loss and electrolyte shifts, and fludrocortisone promotes renal potassium loss and sodium retention. Together they can worsen hypokalemia and dehydration, raising the risk of arrhythmia.

How serious is the interaction between Fludrocortisone and Sodium picosulfate / magnesium oxide / anhydrous citric acid?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check serum potassium and magnesium before the procedure in at-risk patients and correct deficits; ensure adequate hydration and recheck electrolytes if symptoms occur.

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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