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The product code(s) for this leaflet is: PL 16363/0541.
Zopiclone 3.75mg and 7.5mg Tablets
Zopiclone 3.75 mg film-coated tablets
Zopiclone 7.5 mg film-coated tablets
zopiclone
This medicine contains zopiclone , which can cause dependence, tolerance and addiction. You can get withdrawal symptoms if you stop taking it or reduce the dose suddenly.
1. What Zopiclone is and what it is used for
2. What you need to know before you take Zopiclone
3. How to take Zopiclone
4. Possible side effects
5. How to store Zopiclone
6. Contents of the pack and other information
The name of your medicine is Zopiclone 3.75mg and 7.5mg film-coated tablets (referred to as Zopiclone tablets in this leaflet). This belongs to a group of medicines called hypnotics. It works by acting on your brain to help you sleep.
This medicine has been prescribed for you for insomnia. It contains the zopiclone which belongs to a class of medicines called z-drugs.
This medicine has been prescribed to you and should not be given to anyone else.
Zopiclone can cause dependence, tolerance and addiction, and you may get withdrawal symptoms if you stop taking it or reduce the dose suddenly. Your prescriber should have explained how long you will be taking it for and, when it is appropriate to stop, how to do this safely. When your treatment is stopped, it is usually done gradually over a period which is specific to you and may occur over a period of weeks to months.
Zopiclone is used for short term treatment of sleep problems (insomnia) in patients over 18 years of age, such as:
Do not take Zopiclone tablets as long-term treatment. Treatment should be as short as possible, because the risk of dependence increases with the duration of treatment. Ask your doctor for advice if you are unsure.
Signs of an allergic reaction include: a rash, swallowing or breathing problems, swelling of your lips, face, throat or tongue.
Do not take this medicine if any of the above applies to you. If you are not sure, talk to your doctor or pharmacist before taking Zopiclone.
Talk to your doctor or pharmacist before taking Zopiclone if:
Taking this medicine regularly, particularly for a long time, can lead to physical dependence and addiction. Your prescriber should have explained how long you will be taking it for and, when it is appropriate to stop, how to do this safely. When your treatment is stopped, it is usually done gradually over a period which is specific to you and may occur over a period of weeks to months.
Physical dependence and addiction can cause withdrawal symptoms when you stop taking this medicine. Withdrawal symptoms can include:
feeling anxious, shaky, irritable, agitated, confused, having panic attacks, sweating, headache, faster heartbeat or uneven heartbeat (palpitations), lower level of awareness or problems with focussing or concentrating, nightmares, seeing of hearing things that are not real (hallucinations), being more sensitive to light, noise and touch than normal, relaxed grip on reality, numbness and tingling in your hands and feet, aching muscles, stomach problems.
Your prescriber will discuss with you how to gradually reduce your dose before stopping the medicine. It is important that you do not stop taking the medicine suddenly as you will be more likely to experience withdrawal symptoms. Your prescriber will ensure that your plan for stopping treatment is tailored to you and can be adapted according to your needs and experience of any withdrawal symptoms.
Zopiclone should only be used by those they are prescribed for. Do not give your medicine to anyone else. Taking higher doses or more frequent doses of Zopiclone , may increase the risk of addiction. Overuse and misuse can lead to overdose and/or death.
Use of Zopiclone may lead to the development of abuse and/or physical and psychological dependence.
The risk of dependence increases with dose and duration of treatment and is greater when Zopiclone is used for longer than 4 weeks, and in patients with a history of mental disorders and/or alcohol, illicit substance or drug abuse.
Some people being treated with Zopiclone can experience mental health problems such as irrational thoughts (delusions), seeing or hearing things that are not there (hallucinations), feeling confused or disorientated (delirium), feeling angry, irritable, restless or depressed.
Additionally, some studies have shown an increased risk of suicidal ideation, suicide attempt and suicide in patients taking certain sedatives and hypnotics, including this medicine. However, it has not been established whether this is caused by the medicine or if there may be other reasons.
If you have suicidal thoughts, contact your doctor as soon as possible for further medical advice.
Zopiclone may cause sleepwalking or other unusual behaviour (such as driving, eating, making a phone call, or having sex etc.) while not being fully awake. The next morning, you may not remember that you did anything during the night. These activities may occur whether or not you drink alcohol or take other medicines that make you drowsy with Zopiclone.
Before taking Zopiclone, it is important to make sure that you can have atleast 7 to 8 hours of uninterrupted sleep to help reduce the risk of some side effects (see section 4 – ‘Possible side effects’).
If you are not sure if any of the above applies to you, talk to your doctor or pharmacist before taking Zopiclone.
Tell your doctor or pharmacist if you are taking, have recently taken or might take any other medicines.
This includes medicines you buy without a prescription, including herbal medicines. This is because Zopiclone can affect the way some other medicines work. Also some medicines can affect the way Zopiclone works.
Tell your doctor if you are taking any of the following medicines.
The following medicines may increase the effect of Zopiclone:
The following medicines can increase the chance of you getting side effects when taken with Zopiclone. To make this less likely, your doctor may decide to lower your dose of Zopiclone:
The following medicines can make Zopiclone work less well:
Do not drink alcohol while you are taking Zopiclone. Alcohol can increase the effects of Zopiclone and make you sleep very deeply so that you do not breathe properly or have difficulty waking.
Pregnancy
Use of Zopiclone is not recommended during pregnancy. If you are pregnant think you may be pregnant or are planning to have a baby, ask your doctor or pharmacist for advice before taking this medicine.
If used during pregnancy there is a risk that the baby is affected. Some studies have shown that there may be an increased risk of cleft lip and palate (sometimes called “harelip”) in the newborn baby.
Reduced fetal movement and fetal heart rate variability may occur after taking Zopiclone during the second and/or third trimester of pregnancy.
If Zopiclone is taken at the end of pregnancy or during labour, your baby may show muscle weakness, a drop in body temperature, difficulty feeding and breathing problems (respiratory depression).
If this medicine is taken regularly in late pregnancy, your baby may develop physical dependence and may be at risk of developing withdrawal symptoms such as agitation or shaking. In this case the newborn should be closely monitored during the postnatal period.
Breast-feeding
Do not breast-feed or plan to breast-feed if you are taking Zopiclone tablets. This is because small amounts may pass into mother’s milk. If you are breast-feeding or planning to breast-feed, talk to your doctor or pharmacist before taking any medicine.
Ask your doctor or pharmacist for advice before taking any medicine if you are pregnant or breast-feeding.
Like other medicines used for sleep problems, Zopiclone can cause slowing of your normal brain function (central nervous system depression). The risk of psychomotor impairment including driving ability, is increased if:
Do not engage in hazardous activities requiring complete mental alertness such as driving or operating machinery after taking Zopiclone, and in particular during the 12 hours after taking your medicine.
For more information about possible side effects which could affect your driving see section 4 of this leaflet.
Zopiclone contain Lactose: If you have been told by your doctor that you have intolerance to some sugars, contact your doctor before taking this medicine.
Zopiclone contain Sodium: This medicine contains less than 1 mmol sodium (23 mg) per tablet, that is to say essentially ‘sodium-free’.
Your prescriber should have discussed with you how long the course of tablets will last. They will arrange a plan for stopping treatment. This will outline how to gradually reduce the dose and stop taking the medicine. Your prescriber will ensure that your plan for stopping treatment is tailored to you and can be adapted according to your needs and experience of any withdrawal symptoms.
Treatment should be as short as possible and should not exceed four weeks including period of tapering off. Your doctor will give you the lowest effective dose.
Always take this medicine exactly as your doctor or pharmacist has told you. Check with your doctor or pharmacist if you are not sure.
The usual dose is 7.5 mg zopiclone just before bedtime (two tablets of 3.75 mg or one tablet of 7.5mg). This dose should not be exceeded.
The usual starting is one Zopiclone tablet (3.75mg) just before bed time. Your doctor may decide to increase your dose to one Zopiclone Tablet (7.5 mg) if needed.
The usual starting dose is one Zopiclone Tablet (3.75mg) just before bedtime.
Zopiclone should not be used children and adolescents less than 18 years. The safety and efficacy of zopiclone in children and adolescents aged less than 18 years have not been established.
If you take more Zopiclone tablets than you should, contact your doctor or nearest hospital casualty department immediately for advice. Take the medicine pack with you. This is so the doctor knows what you have taken.
Zopiclone overdosage can be very dangerous
The following effects may happen:
Zopiclone must only be taken at bedtime. If you forget to take your tablet at bedtime, then you should not take it at any other time, otherwise you may feel drowsy, dizzy and confused during the day. Do not take the double dose to make up for a forgotten dose.
Do not suddenly stop taking this medicine. If you want to stop taking this medicine, discuss this with your prescriber first. They will tell you how to do this, usually by reducing the dose gradually so that any unpleasant withdrawal effects are kept to a minimum. This may occur over a period of weeks to months. Your prescriber will ensure that your plan for stopping treatment is tailored to you and can be adapted according to your needs and experience of any withdrawal symptoms.
If you stop taking Zopiclone suddenly, your sleep problems may come back and you may get a ‘withdrawal effect’. If this happens you may get some of the withdrawal symptoms listed below. See a doctor straight away if you get any of the following effects:
In rare cases fits (seizures) may also occur.
If you have any further questions on the use of this medicine, ask your doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
You have an allergic reaction. The signs may include: a rash, swallowing or breathing problems, swelling of your lips, face, throat or tongue
Rare (affects 1 to 10 users in 10,000)
Tell your doctor as soon as possible if you have any of the following side effects:
Not Known (frequency cannot be estimated from the available data)
Drug Withdrawal
When you stop taking Zopiclone, you may experience drug withdrawal symptoms, which include: feeling anxious, shaky, irritable, agitated, confused, having panic attacks, sweating, headache, faster heartbeat or uneven heartbeat (palpitations), lower level of awareness or problems with focussing or concentrating, nightmares, seeing of hearing things that are not real (hallucinations), being more sensitive to light, noise and touch than normal, relaxed grip on reality, numbness and tingling in your hands and feet, aching muscles, stomach problems.
How do I know if I am tolerant or addicted?
If you notice any of the following signs whilst taking Zopiclone, it could be a sign that you have become addicted.
Common (affects 1 to 10 users in 100)
Uncommon (affects 1 to 10 users in 1,000)
Rare (affects 1 to 10 users in 10,000)
Not known (frequency cannot be estimated from available data)
If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the national reporting system listed in Yellow Card Scheme Website: www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects you can help provide more information on the safety of this medicine.
Keep this medicine out of the sight and reach of children.
Do not use this medicine after the expiry date which is stated on the blister or carton after EXP. The expiry date refers to the last day of that month.
This medicine does not require any special storage conditions.
Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to throw away medicines you no longer use. These measures will help protect the environment.
Film-coated tablet.
Zopiclone 3.75 mg film-coated tablets:
White, round, biconvex film coated tablets debossed with ‘Z1’ on one side and plain on the other side.
Zopiclone 7.5 mg film-coated tablets:
White, round, biconvex film coated tablets debossed with ‘Z & 2’ separated with break line on one side and break line on the other side. The tablet can be divided into equal doses.
Zopiclone film-coated tablets are available in blister packs.
Pack sizes:
Blister packs: 5, 10, 14, 20, 28, 30, 50, 60 and 90 film-coated tablets.
Not all pack sizes may be marketed.
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This leaflet was last revised in 11/2025.
P1540349