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Can I take Fenofibrate and Naproxen together?

Drug interaction guide

Taking fenofibrate and naproxen together may increase the risk of kidney problems. Both medications can put strain on the kidneys, and using them at the same time can make it harder for your kidneys to filter waste from your blood. In rare cases, this can also lead to a serious muscle condition called rhabdomyolysis, where muscle tissue breaks down and releases substances into the blood that can damage the kidneys further.

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Why this happens

Fenofibrate and naproxen (an NSAID) are both processed and cleared by the kidneys. Naproxen can reduce blood flow to the kidneys by blocking certain protective chemicals (prostaglandins). When kidney function is slowed down by naproxen, fenofibrate levels can build up in the body, increasing the risk of muscle toxicity and further kidney strain.

What you should do

Use this combination with caution. If you need to take naproxen for a short time, ensure you stay well-hydrated. If you have pre-existing kidney issues, speak to your doctor before taking naproxen, as they may suggest an alternative like paracetamol. Seek medical advice immediately if you experience unexplained muscle pain, tenderness, weakness, or if your urine becomes very dark in colour.

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Using other medicines

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.

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Article history

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

  • 25 Jan 2026 | Originally published
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