Drug interactions
Iron + Sodium citrate / citric acid
Severity: Minor
Iron and Sodium citrate / citric acid: 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
Sodium citrate/citric acid is an alkalinizing agent that raises gastric pH, which could reduce oral iron absorption. Citrate itself may enhance iron absorption, so the net effect is uncertain and probably small.
What this interaction means in plain words
Iron and Sodium citrate / citric acid 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
Transient rise in gastric pH versus citrate-mediated iron solubilization; net effect is not well established.
What to do
No specific action is needed for occasional use. Monitor iron indices if the alkalinizing agent is used chronically alongside oral iron.
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?
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Other interactions of Iron
- Acetohydroxamic acid + Iron Moderate
- Aluminum hydroxide + Iron Moderate
- Baloxavir marboxil + Iron Moderate
- Calcium acetate + Iron Moderate
- Calcium carbonate + Iron Moderate
- Calcium citrate + Iron Moderate
Frequently asked questions
Can I take Iron with Sodium citrate / citric acid?
MediHelp rates the interaction as minor. Iron and Sodium citrate / citric acid have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Sodium citrate/citric acid is an alkalinizing agent that raises gastric pH, which could reduce oral iron absorption. Citrate itself may enhance iron absorption, so the net effect is uncertain and probably small.
How serious is the interaction between Iron and Sodium citrate / citric acid?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No specific action is needed for occasional use. Monitor iron indices if the alkalinizing agent is used chronically alongside oral iron.
What other medicines interact with Iron?
MediHelp also lists interactions of Iron with, for example, Acetohydroxamic acid, Aluminum hydroxide, Baloxavir marboxil. The full list is on the Iron page.
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