Skip to main content

Can I take 15 and Fexofenadine together?

Drug interaction guide

There is no known interaction between 15 (assuming this refers to a dose of 15mg of another medication or a typo) and fexofenadine. However, if '15' refers to a specific medication not named, please clarify. Fexofenadine is a non-drowsy antihistamine that does not typically interact with most common medications.

Continue reading below

Why this happens

Fexofenadine is processed by the body differently than many other drugs and does not significantly affect the liver enzymes that break down most medicines.

You can take fexofenadine as prescribed. If '15' refers to a specific medicine you are taking, please provide the name of that medicine to ensure a complete check. Always avoid drinking fruit juices (like orange, grapefruit, or apple) within a few hours of taking fexofenadine, as they can stop the medicine from working properly.

Continue reading below

Taking multiple medicines? Our Medicines Interaction Checker helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.

Disclaimer

This information is for general educational purposes only and should not be relied upon as a substitute for professional medical advice. Always consult your GP, pharmacist, or another qualified healthcare professional before making decisions about your medications. Individual circumstances may vary, and only a healthcare professional who knows your medical history can provide personalised guidance.

Article history

The information on this page is written and peer reviewed by qualified clinicians.

  • 14 Mar 2026 | Originally published
flu eligibility checker

Ask, share, connect.

Browse discussions, ask questions, and share experiences across hundreds of health topics.

symptom checker

Feeling unwell?

Assess your symptoms online for free

Sign up to the Patient newsletter

Your weekly dose of clear, trustworthy health advice - written to help you feel informed, confident and in control.

Please enter a valid email address

By subscribing you accept our Privacy Policy. You can unsubscribe at any time. We never sell your data.