Description
Zopimaxx (Zopiclone)
Zopimaxx is identified by the supplied product name as a zopiclone medicine. Zopiclone is a prescription hypnotic used for short-term treatment of insomnia. It is a centrally acting sedative-hypnotic medicine in the cyclopyrrolone group, related to but chemically distinct from benzodiazepines.
Active Ingredient and Medicine Class
The verified active ingredient is zopiclone. It is classified as a hypnotic and sedative, specifically a benzodiazepine-related cyclopyrrolone. Regulatory product information describes it as acting on the GABAA receptor complex in the central nervous system.
Established Medical Uses
Zopiclone is established for the short-term treatment of insomnia in adults, including difficulty falling asleep, night-time waking, and early morning waking. Official product information emphasizes that treatment should be limited to the shortest possible duration and that long-term continuous use is not recommended.
How It Works
Zopiclone enhances the normal inhibitory action of gamma-aminobutyric acid (GABA) in the brain. By increasing GABA-related calming activity, it helps reduce sleep latency and may reduce night awakenings while supporting sleep maintenance. SmPC information also notes that it is designed to produce hypnotic effects with limited next-morning residual effect at recommended doses.
Important Safety Information
Zopiclone is not suitable for everyone. Important contraindications and precautions include hypersensitivity to the medicine, severe respiratory impairment, severe sleep apnoea, and severe liver impairment. Product information also warns about dependence, tolerance, withdrawal symptoms, and next-day impairment of alertness and coordination.
Clinically significant interactions can occur with alcohol, opioids, other sedatives, and other central nervous system depressants, because these can increase sedation and respiratory depression risk. Caution is also needed with medicines that affect zopiclone metabolism, particularly CYP3A4 inhibitors and inducers.
Possible Side Effects
Common adverse effects include a bitter or metallic taste, dry mouth, drowsiness, fatigue, dizziness, and next-day somnolence. More serious reactions can include confusion, falls, abnormal behaviour, memory impairment, hallucinations, worsening depression, dependence, withdrawal symptoms, and respiratory depression, especially when combined with other depressant medicines or alcohol.
Scientific Evidence
Human clinical evidence supports short-term benefit for insomnia, with improvements in sleep onset and sleep maintenance reported in trials and reviews. A 2021 systematic review in older adults found that zopiclone reduced sleep latency and nocturnal awakenings, although much of the evidence base was rated low or unclear in quality. Earlier reviews also concluded that zopiclone is generally effective and well tolerated for short-term insomnia treatment, while emphasizing uncertainty about long-term safety and dependence risk.
Medical Information Notice
This educational summary is based on sources available at the time of review and does not replace the official patient leaflet, prescribing information, or assessment by a qualified healthcare professional.
Medical Sources
- Medicines.org.uk (emc) — Zopiclone 3.75mg film-coated tablets, Summary of Product Characteristics. View source
- Nóbrega OT et al. — “Zopiclone to treat insomnia in older adults: A systematic review.” European Neuropsychopharmacology (2021). View PubMed article
