Drug interactions
Ferric maltol + Gemifloxacin
Severity: Moderate
Ferric maltol and Gemifloxacin: 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
Oral iron can bind gemifloxacin in the gut and reduce its absorption. Lower antibiotic levels may lead to treatment failure.
What this interaction means in plain words
Ferric maltol and Gemifloxacin 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.
Ferric maltol belongs to Miscellaneous; Gemifloxacin belongs to Anti Bacterial.
Why it happens
Chelation of the fluoroquinolone by polyvalent iron cations in the gastrointestinal tract reduces absorption.
What to do
Take gemifloxacin at least 2 hours before or 3 hours after ferric maltol. Consider holding iron during a short antibiotic course.
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 Gemifloxacin
- Arsenic trioxide + Gemifloxacin Contraindicated
- Dofetilide + Gemifloxacin Contraindicated
- Gemifloxacin + Ibutilide Contraindicated
- Gemifloxacin + Pimozide Contraindicated
- Gemifloxacin + Thioridazine Contraindicated
- Gemifloxacin + Vandetanib Contraindicated
Other interactions of Ferric maltol
- Aluminum hydroxide + Ferric maltol Moderate
- Calcium carbonate + Ferric maltol Moderate
- Calcium + Ferric maltol Moderate
- Carbidopa-entacapone-levodopa + Ferric maltol Moderate
- Carbidopa-levodopa + Ferric maltol Moderate
- Cimetidine + Ferric maltol Moderate
Frequently asked questions
Can I take Ferric maltol with Gemifloxacin?
MediHelp rates the interaction as moderate. Ferric maltol and Gemifloxacin 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. Oral iron can bind gemifloxacin in the gut and reduce its absorption. Lower antibiotic levels may lead to treatment failure.
How serious is the interaction between Ferric maltol and Gemifloxacin?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Take gemifloxacin at least 2 hours before or 3 hours after ferric maltol. Consider holding iron during a short antibiotic course.
What other medicines interact with Gemifloxacin?
MediHelp also lists interactions of Gemifloxacin with, for example, Arsenic trioxide, Dofetilide, Ibutilide. The full list is on the Gemifloxacin page.
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