Zopiclone 7.5mg Tablets – UK Medicine Guide
Zopiclone 7.5mg tablets are prescription-only sleeping medicines used for the short-term treatment of severe insomnia in adults.
Zopiclone belongs to a group of medicines commonly called Z-drugs. These medicines affect signalling in the central nervous system and can help people who have significant difficulty falling asleep or remaining asleep.
In the UK, zopiclone is generally prescribed for short periods because prolonged use can lead to tolerance, dependence, and withdrawal symptoms.
This guide explains the medicine’s uses, dosage, potential side effects, and important safety precautions.
For more information about sleep-related medicines, explore our Sleep Aid Tablets UK category.
What Is Zopiclone?
Zopiclone is a non-benzodiazepine hypnotic medicine used to treat insomnia.
It acts on gamma-aminobutyric acid (GABA) signalling in the brain, enhancing inhibitory activity that contributes to its sedative effects.
A healthcare professional may prescribe zopiclone when insomnia is severe, disabling, or causing substantial distress.
Because of its dependence potential, zopiclone is not generally recommended as a long-term treatment.
Zopiclone Product Specifications
| Specification | Details |
|---|---|
| Generic name | Zopiclone |
| Medicine class | Non-benzodiazepine hypnotic |
| Common UK strengths | 3.75mg and 7.5mg |
| Formulation | Oral tablets |
| Main indication | Short-term treatment of severe insomnia |
| UK legal classification | Prescription-only medicine |
| Typical treatment duration | A few days to a few weeks |
| Maximum usual course | Four weeks, including withdrawal or tapering where applicable |
| Suitable for children | No; not indicated for under-18s |
The exact tablet appearance, excipients, and packaging depend on the manufacturer.
What Are Zopiclone Tablets Used For?
Zopiclone may be prescribed for short-term treatment of insomnia involving:
- Difficulty falling asleep
- Frequent waking during the night
- Waking earlier than intended
- Severe sleep disruption causing significant daytime distress
Before prescribing a sleeping medicine, healthcare professionals should consider possible underlying causes, including stress, medication effects, medical conditions, and sleep disorders.
For persistent insomnia, cognitive behavioural therapy for insomnia (CBT-I) is an important evidence-based treatment.
How Does Zopiclone Work?
Zopiclone enhances the effects of GABA, an inhibitory neurotransmitter involved in reducing activity within the nervous system.
This action produces sedative and hypnotic effects.
Zopiclone generally begins working within approximately 30–60 minutes, although individual responses vary.
The medicine can also impair alertness, memory, coordination, and reaction time.
Zopiclone 7.5mg Dosage Information
The usual prescribed adult dose is 7.5mg shortly before bedtime.
A lower starting dose of 3.75mg is commonly recommended for older adults and certain patients with liver, kidney, or respiratory impairment.
Important administration guidance:
- Follow the exact dose prescribed by your healthcare professional.
- Take the medicine shortly before bedtime.
- Do not take another dose during the same night.
- Do not increase the dose without medical advice.
- Follow the manufacturer’s instructions for the specific tablet formulation.
- Discuss a stopping plan with your prescriber, particularly after repeated use.
Treatment should be as short as possible and generally should not exceed four weeks, including any tapering period.
Do not treat 10mg as a standard UK zopiclone tablet strength or increase a prescribed dose to 10mg.
Zopiclone Side Effects
Like all medicines, zopiclone can cause side effects.
Commonly reported effects
- Bitter or metallic taste
- Dry mouth
- Daytime drowsiness
- Reduced alertness
- Dizziness
Serious adverse effects
More serious problems can include:
- Severe allergic reactions
- Breathing difficulties
- Confusion or significant behavioural changes
- Sleepwalking or other activities performed while not fully awake
- Dependence and withdrawal symptoms
Seek urgent medical attention for severe breathing difficulties, loss of consciousness, or signs of a serious allergic reaction.
Zopiclone Warnings and Precautions
Zopiclone is not suitable for everyone.
It is contraindicated in people with certain conditions, including severe sleep apnoea, respiratory failure, severe liver impairment, and myasthenia gravis.
A history of unusual sleep behaviours after taking zopiclone may also rule out further use.
Tell your prescriber about all medicines you take, particularly:
- Opioid pain medicines
- Other sleeping medicines
- Benzodiazepines
- Sedating antihistamines
- Certain antidepressants and antipsychotics
- Medicines that affect zopiclone metabolism
Combining zopiclone with opioids, alcohol, or other sedatives can increase the risk of dangerous sedation and respiratory depression.
Avoid alcohol while taking zopiclone.
Do not drive, cycle, or operate machinery for at least 12 hours after taking it, and longer if you remain impaired.
Can Zopiclone Cause Dependence?
Yes.
Regular use can lead to tolerance, physical dependence, and addiction.
Stopping abruptly after repeated use may cause withdrawal symptoms or rebound insomnia.
Patients should follow their prescriber’s discontinuation plan rather than independently increasing, reducing, or stopping prolonged treatment.
Zopiclone 7.5mg vs 3.75mg
| Feature | Zopiclone 3.75mg | Zopiclone 7.5mg |
|---|---|---|
| Active ingredient | Zopiclone | Zopiclone |
| Strength | 3.75mg | 7.5mg |
| Typical role | Lower starting dose for selected patients | Usual adult prescribed dose |
| Prescription required | Yes | Yes |
| Dependence potential | Yes | Yes |
A higher dose is not automatically more appropriate. The prescriber determines the lowest effective dose for each patient.
Related Sleep Health Information
Explore additional resources:
- Sleep Aid Tablets UK — Information about sleep-related medicines.
- Affordable Tablets UK Homepage — Health and wellness resources.
- NHS Zopiclone Guide — Official information about uses, side effects, and precautions.
- NHS Insomnia Guide — Advice about insomnia and treatment options.
- UK Zopiclone Product Information — Professional prescribing information.
Zopiclone 7.5mg: Summary
Zopiclone is a prescription-only hypnotic medicine used for short-term treatment of severe insomnia.
Although it may help with sleep initiation and maintenance, it carries important risks, including next-day impairment, dependence, withdrawal, and potentially serious interactions.
Appropriate prescribing, clinical assessment, and careful adherence to treatment instructions are essential.
Medical disclaimer: This page provides educational medical information and does not replace advice from a qualified healthcare professional.
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