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Can I take 7.5mg and Morphine together?

Drug interaction guide

Taking zopiclone and morphine together can cause extreme sleepiness, shallow or slow breathing, and difficulty waking up. In severe cases, this combination can lead to a coma or be life-threatening.

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Why this happens

Both medicines are 'central nervous system depressants'. This means they both slow down brain activity and the signals that tell your body to breathe. When used together, these effects add up, making the impact much stronger and more dangerous than taking either medicine alone.

You should only take these two medicines together if they have been specifically prescribed by the same doctor who is aware you are taking both. Do not drive or operate machinery while taking this combination. If you or someone taking these medicines develops very slow breathing, extreme sleepiness, or cannot be woken up, seek emergency medical help immediately.

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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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