Ferrous Sulfate and Levofloxacin: Drug Interaction Guide

Quick answer: This combination requires caution. Ferrous Sulfate and Levofloxacin can be used together with adjustments and monitoring.

Interaction severity: Moderate — caution required

How Ferrous Sulfate interacts with Levofloxacin

Ferrous ions form poorly absorbed chelation complexes with levofloxacin in the gastrointestinal tract, substantially reducing fluoroquinolone bioavailability.

What you should do

Administer levofloxacin at least two hours before or after ferrous sulfate, following product-specific separation instructions.

Key facts

Severity

Moderate — caution required

Mechanism

Ferrous ions form poorly absorbed chelation complexes with levofloxacin in the gastrointestinal tract, substantially red...

Action

Administer levofloxacin at least two hours before or after ferrous sulfate, following product-specific separation instru...

Important medical disclaimer: This page provides educational information about drug interactions for general reference. It is not a substitute for professional medical advice, diagnosis, or treatment. Always discuss your specific medications with a qualified healthcare provider before starting, stopping, or changing any treatment. About our editorial team.

Frequently asked questions

Can I take Ferrous Sulfate and Levofloxacin together?

With caution. Administer levofloxacin at least two hours before or after ferrous sulfate, following product-specific separation instructions.

What is the severity of this interaction?

The interaction between Ferrous Sulfate and Levofloxacin is classified as Moderate — caution required. Ferrous ions form poorly absorbed chelation complexes with levofloxacin in the gastrointestinal tract, substantially reducing fluoroquinolone bioavailability.

What should I do if I'm prescribed both?

Administer levofloxacin at least two hours before or after ferrous sulfate, following product-specific separation instructions. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

Last reviewed: by iMedic Medical Editorial Team. Our editorial process.