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Can I take 3.75 and Voltarol joint back pain relief % together?

Drug interaction guide

Taking Zopiclone and Voltarol (Diclofenac) together can increase the risk of side effects like dizziness, drowsiness, and confusion. It may also increase the risk of stomach irritation or, in rare cases, affect how your kidneys work.

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Why this happens

Both drugs can affect the central nervous system, leading to increased sleepiness. Additionally, Voltarol (an NSAID) can sometimes affect kidney function, which may slow down how quickly the body clears Zopiclone, although this is less common with the gel form than with tablets.

Use these together with caution. Since Voltarol Joint & Back Pain Relief is a gel applied to the skin, less medicine reaches your bloodstream than if you took a pill, making a serious interaction less likely. However, you should still be careful. Do not drive or operate machinery until you are certain you do not feel overly drowsy. It is best to avoid or strictly limit alcohol, as it will significantly worsen the drowsiness caused by Zopiclone.

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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.

  • 14 Mar 2026 | Originally published
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