Ciprofloxacin and Sucralfate: Drug Interaction Guide

Quick answer: This combination requires caution. Ciprofloxacin and Sucralfate can be used together with adjustments and monitoring.

Interaction severity: Moderate — caution required

How Ciprofloxacin interacts with Sucralfate

Sucralfate contains aluminum which chelates fluoroquinolones in the gut, reducing ciprofloxacin absorption by up to 50% and risking subtherapeutic levels.

What you should do

Administer ciprofloxacin at least 2 hours before or 6 hours after sucralfate. Consider H2-blocker for ulcer prophylaxis instead.

Key facts

Severity

Moderate — caution required

Mechanism

Sucralfate contains aluminum which chelates fluoroquinolones in the gut, reducing ciprofloxacin absorption by up to 50% ...

Action

Administer ciprofloxacin at least 2 hours before or 6 hours after sucralfate. Consider H2-blocker for ulcer prophylaxis ...

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 Ciprofloxacin and Sucralfate together?

With caution. Administer ciprofloxacin at least 2 hours before or 6 hours after sucralfate. Consider H2-blocker for ulcer prophylaxis instead.

What is the severity of this interaction?

The interaction between Ciprofloxacin and Sucralfate is classified as Moderate — caution required. Sucralfate contains aluminum which chelates fluoroquinolones in the gut, reducing ciprofloxacin absorption by up to 50% and risking subtherapeutic levels.

What should I do if I'm prescribed both?

Administer ciprofloxacin at least 2 hours before or 6 hours after sucralfate. Consider H2-blocker for ulcer prophylaxis instead. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

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