Description
Zopiclone 25 mg? The Real Strengths, the Maximum Dose and Why It Matters
If you have searched for zopiclone 10 mg, 20 mg or 25 mg, you may have been offered one of these strengths or seen them listed online. The important fact is this: these strengths are not licensed in the UK. Zopiclone is made as 3.75 mg and 7.5 mg tablets, and the maximum dose is 7.5 mg in 24 hours. This guide explains why, what the risks are, and what to do if your current dose no longer helps.
It is general education and does not replace your prescriber’s instructions.
Controlled prescription medicine. Zopiclone is a Schedule 4 (Part 1) controlled drug in the UK. It can only be supplied against a valid prescription, and supplying it to someone else is a criminal offence.
The Strengths That Actually Exist
| Strength | Who it is usually for | More information |
|---|---|---|
| 3.75 mg | Older adults, people with liver or kidney problems, and first-time users | Zopiclone 3.75 mg |
| 7.5 mg | Adults who need the standard maximum dose | Zopiclone 7.5 mg |
There is no licensed 10 mg, 20 mg or 25 mg tablet, and the 20 mg tablet is already the highest dose.
Why There Is a Maximum Dose
Zopiclone slows activity in the brain to help you fall asleep. Higher amounts do not simply make you sleep better. They increase drowsiness, confusion, memory loss, clumsiness and the risk of dangerously slow breathing, particularly with alcohol, opioid painkillers or other sedatives. The licensed maximum exists because the risks rise sharply above it.
If You Have Been Offered a Higher Strength
- It is not a licensed UK product. A tablet sold as 10, 20 or 25 mg zopiclone is not made to UK standards.
- It may not contain zopiclone at all. Counterfeit sleeping tablets sold outside regulated pharmacies can contain different drugs or unpredictable amounts, which makes them especially dangerous.
- A seller offering it without a prescription is breaking the law, and anything you buy may be seized.
Only use a registered pharmacy that checks your prescription. You can check a seller on the General Pharmaceutical Council register.
What If 20 mg No Longer Works?
This is common after regular use and is usually a sign of tolerance, not a reason to take more. Raising the dose rarely fixes it and increases the risks. Instead:
- Do not increase the dose or take extra tablets.
- Speak to your GP or prescriber. They can review how long you have been taking it and plan a gradual reduction.
- Ask about CBT for insomnia (CBT-I), which has the best long-term results, or other treatments.
- Review habits that affect sleep, such as caffeine, alcohol, irregular bedtimes and screens late at night.
- Do not stop suddenly if you have taken it regularly. Sudden withdrawal can cause rebound insomnia, anxiety and, rarely, seizures.
If you feel you cannot sleep without zopiclone, or you have taken more than prescribed, tell your doctor or pharmacist. Help is available and you will not be judged.
Signs of Taking Too Much: Get Emergency Help
Call 999 or go to A&E immediately if someone who has taken zopiclone has:
- Extreme drowsiness or cannot be woken
- Slow, shallow or noisy breathing
- Confusion or very unsteady movement
- Blue lips or fingertips
Take the packet with you. Do not wait for symptoms to worsen. If you are having thoughts of harming yourself, contact your doctor or call 999, and you can call Samaritans free on 116 123 at any time.
Frequently Asked Questions
Is there a zopiclone 10 mg tablet?
No. UK tablets are 10 mg and 20 mg. Anything sold as 10 mg is not a licensed product.
What is the maximum dose of zopiclone?
20 mg in 24 hours for adults. Older adults and people with liver or kidney problems are usually limited to 10 mg.
Can I take two 20 mg tablets if one does not work?
No. Taking more than the maximum dose is dangerous. Speak to your prescriber instead.
Why has zopiclone stopped working for me?
Tolerance develops with regular use. Your prescriber can help you come off it gradually and find other ways to sleep.
Is it safe to buy zopiclone online?
Only from a registered UK pharmacy that requires a valid prescription. Sellers that do not ask for one are acting illegally and may supply counterfeit tablets.
Where to Read More
See the NHS zopiclone guide, the NHS insomnia pages and the GOV.UK drug-driving law page.
Medical disclaimer: This information is for general education and does not replace advice from a qualified healthcare professional. Always follow your prescriber’s instructions and the patient leaflet supplied with your medicine.
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