Pain and poor sleep arrive together so often that this question comes up weekly at our counter: “I’m on zopiclone — what can I take for pain?” The answer splits cleanly into two groups, and the difference between them really matters.
Generally fine: simple painkillers
Paracetamol has no meaningful interaction with zopiclone — at normal doses it’s the default choice. Ibuprofen and other anti-inflammatories don’t interact with zopiclone either (their cautions — stomach, kidneys, blood pressure, asthma — are separate issues a pharmacist can check for you). If pain is what’s keeping you awake, treating it properly with simple analgesia, timed so it covers the night, often does more for sleep than the sleeping tablet — pain is one of the classic causes in why can’t I sleep?
Genuinely dangerous: opioid painkillers
Codeine, dihydrocodeine, tramadol, morphine, oxycodone — and combination products like co-codamol — are central nervous system depressants, like zopiclone. Together they don’t just add up; they amplify each other’s suppression of breathing, particularly during sleep. This combination — a Z-drug plus an opioid, with or without alcohol — appears repeatedly in drug-related death statistics, usually in people taking each medicine “as normal.”
Three traps to know about:
- The pharmacy-counter trap: low-dose codeine is in some OTC products (co-codamol 8/500, some cough medicines). “Bought without prescription” does not mean “safe with zopiclone” — tell the pharmacist you take a sleeping tablet before buying anything for pain or coughs;
- The leftover trap: tramadol from an old dental prescription plus tonight’s zopiclone is exactly the accidental stack we worry about;
- The tramadol extra: tramadol also interacts with several antidepressants — if you’re on zopiclone and an antidepressant (see zopiclone and antidepressants), tramadol needs specific prescriber sign-off.
If they’re prescribed together deliberately
Sometimes a prescriber knowingly co-prescribes an opioid and zopiclone — for example in significant injury or post-surgical pain. That’s a monitored decision, usually at reduced doses and short duration. The rules: exact doses only, absolutely no alcohol (see zopiclone and alcohol), and someone else in the house should know the 999 signs: can’t be woken, slow or gurgling breathing, blue-tinged lips.
Other night-time products to check
Sedating antihistamines hide in some “night” cold-and-flu remedies and OTC sleep aids — another sedative on the stack (see OTC sleep aids explained). The one-minute fix for all of this: bring or list everything you take — prescribed, bought, herbal — and let us run the interaction check. It’s free, and it’s exactly what we’re here for.
Frequently asked questions
Can I take paracetamol with zopiclone?
Yes — paracetamol at normal doses has no meaningful interaction with zopiclone and is the default painkiller choice. Ibuprofen is also fine with zopiclone, subject to its own separate cautions.
Can I take co-codamol with zopiclone?
Not without prescriber approval — co-codamol contains codeine, an opioid, and combining opioids with zopiclone amplifies breathing suppression during sleep. This includes the low-dose co-codamol sold over the counter.
Why is the zopiclone-opioid combination so dangerous?
Both suppress the central nervous system, and together they multiply each other’s effect on breathing — particularly during sleep, when nobody notices. This combination features repeatedly in drug-related death data, usually at “normal” doses.
What are the emergency signs someone should watch for?
Being unable to wake the person, slow, shallow or gurgling breathing, and blue-tinged lips or fingertips — call 999 immediately, stay with them, lie them on their side and keep the medicine packaging for the paramedics.
Questions about your sleep or your medicines? Speak to one of our pharmacists — advice is free and confidential. If you already have a prescription, you can nominate our pharmacy to dispense and deliver it.
This article is general health information based on NHS and BNF guidance. It is not medical advice, and it is not an advertisement for any medicine. Always follow your prescriber’s instructions and read the patient information leaflet. If you need urgent help call NHS 111; in an emergency call 999. [Clinical review placeholder — reviewed by NAME, Superintendent Pharmacist, GPhC reg. NUMBER, on DATE.]