Ofloxacin and Sucralfate Interaction
Drug interaction information between Ofloxacin and Sucralfate.
Ofloxacin and Sucralfate have a documented minor interaction in FDA labeling.
FDA drug labeling documents a minor-severity interaction between Ofloxacin and Sucralfate. Major interactions are generally avoided, moderate ones may need monitoring or a dose adjustment, and minor ones are usually low-risk. This page shows the documented mechanism and guidance. Label-documented interactions are not a complete safety review, so always confirm your own medications with a pharmacist or doctor. Educational information, not medical advice.
How They Interact
Sucralfate interferes with how your body absorbs ofloxacin, which can stop the antibiotic from working correctly.
What To Do
You should take ofloxacin at least 2 hours before taking sucralfate. This helps make sure the antibiotic is fully absorbed into your system.
FDA Label Information
In all case studies to date (cimetidine, ciprofloxacin, digoxin, norfloxacin, ofloxacin, and ranitidine), dosing the concomitant medication 2 hours before sucralfate eliminated the interaction.
Sucralfate Also Interacts With
- Theophylline major
- Naproxen moderate
- Warfarin minor
- Ketoconazole minor
- Ciprofloxacin minor
Frequently Asked Questions
Can I take Ofloxacin and Sucralfate together?
This is a minor interaction. You should take ofloxacin at least 2 hours before taking sucralfate. This helps make sure the antibiotic is fully absorbed into your system.
How serious is the interaction between Ofloxacin and Sucralfate?
This interaction is classified as "minor" severity by the FDA. Minor interactions are unlikely to cause significant problems but should still be mentioned to your healthcare provider.
Why do Ofloxacin and Sucralfate interact?
Sucralfate interferes with how your body absorbs ofloxacin, which can stop the antibiotic from working correctly.
Understanding the Ofloxacin and Sucralfate Interaction
FDA-approved prescribing information for these two drugs flags their combination as a minor-severity interaction. Ofloxacin belongs to the Fluoroquinolone Antibiotic class and Sucralfate belongs to the Mucosal Protective Agent class - two categories that can collide when co-prescribed. The mechanism described in FDA labeling is: Sucralfate interferes with how your body absorbs ofloxacin, which can stop the antibiotic from working correctly. Severity tiers matter: major flags generally advise avoidance, moderate flags often require monitoring or dose adjustment, and minor flags may only call for awareness.
Context around a specific patient determines real-world impact. Ofloxacin has 2 total documented interactions on file in this dataset, and Sucralfate has 20. Each additional medication compounds the interaction surface, which is why pharmacists run full-profile checks rather than evaluating one pair at a time. FDA-derived guidance for this pair is: You should take ofloxacin at least 2 hours before taking sucralfate. Timing of doses, renal and hepatic function, age, and other concurrent prescriptions all shape whether a labeled interaction matters clinically.
An interaction flag is not a verdict. A large share of labeled interactions are managed routinely in clinical practice, the fix may be as simple as spacing doses or adding a monitoring test. Others require the prescriber to choose a different medication entirely. This page surfaces FDA-sourced labeling and openFDA data for educational purposes only; it is not medical advice and cannot account for your full clinical picture. Never start, stop, or adjust either Ofloxacin or Sucralfate based on a web page, speak with your prescriber or pharmacist before making any change.
Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. Always consult your healthcare provider about drug interactions.
Read our methodology - how this data is sourced, computed, and verified.