Can I take 7.5mg and Ferrous together?
Drug interaction guide
Originally published 14 Mar 2026
Meets Patient’s editorial guidelines
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Taking iron supplements (ferrous sulphate, ferrous fumarate, or ferrous gluconate) at the same time as zopiclone can make the zopiclone less effective. This means you may find it harder to fall asleep or stay asleep.
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Why this happens
Iron can bind to zopiclone in the stomach, creating a 'complex' that is too large for the body to absorb into the bloodstream. This reduces the amount of medicine available to help you sleep.
What you should do
Back to contentsTo avoid this, space the doses out. Take your iron supplement at least 2 hours before or 2 hours after taking your zopiclone. Since zopiclone is usually taken right before bed, it is often easiest to take your iron earlier in the day.
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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.
14 Mar 2026 | Originally published
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