Can I take Fexofenadine and Tadalafil together?
Drug interaction guide
Originally published 12 May 2026
Meets Patient’s editorial guidelines
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There are no known significant interactions between fexofenadine and tadalafil. It is generally considered safe to take these two medications together.
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Why this happens
Fexofenadine is an antihistamine used for allergies, and tadalafil is used for erectile dysfunction or urinary symptoms. They are processed by different pathways in the body and do not interfere with how the other drug works or is cleared from your system.
What you should do
Back to contentsYou can take these medicines together as prescribed. However, always monitor for side effects common to both, such as headaches or dizziness. If you feel lightheaded, sit or lie down until the feeling passes.
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Using other medicines
Back to contentsTaking 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.
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Article history
The information on this page is written and peer reviewed by qualified clinicians.
12 May 2026 | Originally published

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