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Drug interactions

Delafloxacin + Ferrous fumarate

Severity: Moderate

Delafloxacin and Ferrous fumarate: 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

Iron chelates oral delafloxacin and can markedly reduce its absorption. This may cause subtherapeutic antibiotic levels and treatment failure.

What this interaction means in plain words

Delafloxacin and Ferrous fumarate 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.

Delafloxacin belongs to Anti Bacterial; Ferrous fumarate belongs to Miscellaneous.

Evidence level: High

Why it happens

Iron cations chelate the fluoroquinolone in the gastrointestinal tract, decreasing absorption.

What to do

Give oral delafloxacin at least 2 hours before or 6 hours after iron.

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 Delafloxacin with Ferrous fumarate?

MediHelp rates the interaction as moderate. Delafloxacin and Ferrous fumarate 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. Iron chelates oral delafloxacin and can markedly reduce its absorption. This may cause subtherapeutic antibiotic levels and treatment failure.

How serious is the interaction between Delafloxacin and Ferrous fumarate?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Give oral delafloxacin at least 2 hours before or 6 hours after iron.

What other medicines interact with Ferrous fumarate?

MediHelp also lists interactions of Ferrous fumarate with, for example, Ciprofloxacin, Acetohydroxamic acid, Aluminum hydroxide. The full list is on the Ferrous fumarate page.

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