Drug interactions
Famotidine + Iron
Severity: Minor
Famotidine and Iron: 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
Famotidine lowers gastric acid and may modestly reduce oral iron absorption. The effect is usually mild but may matter with prolonged use in iron deficiency.
What this interaction means in plain words
Famotidine and Iron have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Famotidine belongs to Gastrointestinal Tract; Iron belongs to Gastrointestinal Tract.
Why it happens
Reduced gastric acidity raises pH and decreases iron solubility and conversion to the ferrous form.
What to do
Monitor hemoglobin and ferritin during prolonged co-therapy, and take iron with vitamin C or consider intravenous iron if response is poor.
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
Other interactions of Famotidine
Frequently asked questions
Can I take Famotidine with Iron?
MediHelp rates the interaction as minor. Famotidine and Iron have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Famotidine lowers gastric acid and may modestly reduce oral iron absorption. The effect is usually mild but may matter with prolonged use in iron deficiency.
How serious is the interaction between Famotidine and Iron?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor hemoglobin and ferritin during prolonged co-therapy, and take iron with vitamin C or consider intravenous iron if response is poor.
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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