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What are the Different Zopiclone Side Effects?

Autumn Rivers
By
Updated Mar 03, 2024
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Zopiclone is a drug that is often prescribed to treat insomnia, but like most medications, it comes along with some bothersome side effects. Some of the most common zopiclone side effects that should be reported to a doctor include anxiety, mood swings, and confusion, though some people experience sudden aggressiveness or difficulty breathing, as well. There are also some side effects that do not typically need to be reported to a doctor since they are not dangerous to the health and should subside in time, including dry mouth, changes to appetite and weight, and dizziness. Finally, some side effects may last even after the medication is discontinued, such as cramps, nausea, excessive sweating, and increased insomnia.

Certain side effects from zopiclone should be reported to a doctor since they may be harmful. For example, confusion, drowsiness, clumsiness, and decreased coordination should be mentioned to a doctor since these negative effects can be dangerous, particularly when operating a vehicle. Mood swings, anxiety, aggressiveness, and a skin rash may also occur, and though not usually dangerous to the health of the patient, they can be detrimental to the quality of life. Symptoms like wheezing, chest tightness, and difficulty breathing can also be scary, which is why patients should contact their doctor right away if they experience these side effects.

On the other hand, some of the side effects are not life-threatening, which means that they do not typically need medical attention unless they are particularly bothersome to the patient. In fact, many of them subside as the body gets used to the drug, so some patients can expect to observe side effects like dry mouth, heartburn, appetite changes, and weight loss. It may also become difficult to see clearly or speak at times, and some patients taking this drug may notice themselves becoming easily agitated. Finally, other physical symptoms that should subside soon may include chills, constipation, dizziness, and vomiting. If the side effects continue after regular use of the medication, or become hard to ignore, patients should typically notify their doctor.

While some zopiclone side effects are not particularly dangerous or long-lasting, others last even after use of the drug has been stopped. For instance, stomach cramping, vomiting, and nausea may continue after the drug is no longer used. Insomnia that is worse than before may also appear, perhaps partly due to the anxiety, excessive sweating, and general restlessness that may begin once the drug is stopped. It is usually advised that patients inform their doctor once they notice these negative effects.

The Health Board is dedicated to providing accurate and trustworthy information. We carefully select reputable sources and employ a rigorous fact-checking process to maintain the highest standards. To learn more about our commitment to accuracy, read our editorial process.
Autumn Rivers
By Autumn Rivers
Autumn Rivers, a talented writer for The Health Board, holds a B.A. in Journalism from Arizona State University. Her background in journalism helps her create well-researched and engaging content, providing readers with valuable insights and information on a variety of subjects.
Discussion Comments
By anon1006784 — On May 20, 2022

I have been on zopiclone for years. I started on 5 for a few years, then was prescribed 7.5 and this year 2022, I am taking 10. After reading the above comments, I recognize that I have anxiety, memory issues, and sweats. I can't imagine coming off the drug because I totally cannot sleep and there is a lot of anxiety related to the lack of sleep. I am glad that I read all your comments because I did not realize that the zopiclone is their stimulant.

By anon1005527 — On Sep 16, 2021

My doctor put me on zopiclone 7.5 for insomnia. I stopped taking it after 3 days because it left a terrible taste in my mouth that seemed to last all day. Went back to what I was taking initially trazodone 25mg with no side effects. Also going to try other things that does not include medication.

By anon1003854 — On Sep 20, 2020

I have been on zopiclone for about a year. For 6 months of that, I have been on 7.5. I now find I sleep from 12 til 2.30 and can't get back to sleep for some reason. Even though I feel shattered in the afternoon, I still can't sleep. I also have COPD.

By anon1003305 — On Jun 14, 2020

I've been on it for 3 months and going weird on it. I have anxiety and aggressiveness and I need to get off it.

By candyquilt — On Jul 13, 2014

I've actually not read of many people complaining about zopiclone side effects. But I've read people complaining about addiction and withdrawal symptoms. That seems to be more of an issue.

By discographer — On Jul 13, 2014

@donasmrs-- I used zopiclone for a brief time but then quit because of the anxiety. I didn't use it long enough to know whether it goes away or not. The anxiety was very severe for me and I had other side effects too. I also had headaches, and issues with memory. I just felt bad overall, I did not have a pleasant experience with this drug at all.

You ought to speak to your doctor about this. And if the side effects worsen, ask your doctor about quitting zopiclone safely and ask about trying a different drug. There are other alternatives out there. I don't think that anyone should be forced to take something if it causes many, severe side effects.

By donasmrs — On Jul 12, 2014

My doctor put me on zopiclone for sleep problems. The drug seems to be working, but it has side effects. The most pronounced side effect I'm experiencing is anxiety.

Is anyone else her on zopiclone? Do you have anxiety from it too? Is this something that will go away with time?

Autumn Rivers
Autumn Rivers
Autumn Rivers, a talented writer for The Health Board, holds a B.A. in Journalism from Arizona State University. Her background in journalism helps her create well-researched and engaging content, providing readers with valuable insights and information on a variety of subjects.
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