Drug interactions
Carbonyl iron + Sodium sulfate / potassium sulfate / magnesium sulfate
Severity: Minor
Carbonyl iron and Sodium sulfate / potassium sulfate / magnesium sulfate: minor 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
Iron taken close to this bowel preparation may be absorbed less well because of magnesium binding and rapid gut transit. The consequence is short-lived.
What this interaction means in plain words
Carbonyl iron and Sodium sulfate / potassium sulfate / magnesium sulfate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Magnesium chelation and increased intestinal motility reduce iron absorption.
What to do
Take iron at least 2 hours before or 6 hours after each dose of the preparation.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Carbonyl iron and Sodium sulfate / potassium sulfate / magnesium sulfate, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Carbonyl iron
- Aluminum hydroxide + Carbonyl iron Moderate
- Baloxavir marboxil + Carbonyl iron Moderate
- Calcium acetate + Carbonyl iron Moderate
- Calcium carbonate + Carbonyl iron Moderate
- Calcium + Carbonyl iron Moderate
- Carbidopa-entacapone-levodopa + Carbonyl iron Moderate
Frequently asked questions
Can I take Carbonyl iron with Sodium sulfate / potassium sulfate / magnesium sulfate?
MediHelp rates the interaction as minor. Carbonyl iron and Sodium sulfate / potassium sulfate / magnesium sulfate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Iron taken close to this bowel preparation may be absorbed less well because of magnesium binding and rapid gut transit. The consequence is short-lived.
How serious is the interaction between Carbonyl iron and Sodium sulfate / potassium sulfate / magnesium sulfate?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Take iron at least 2 hours before or 6 hours after each dose of the preparation.
What other medicines interact with Carbonyl iron?
MediHelp also lists interactions of Carbonyl iron with, for example, Aluminum hydroxide, Baloxavir marboxil, Calcium acetate. The full list is on the Carbonyl iron page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
