Datolan

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Datolan

Method of action: Hypnotic

Treatment option: Insomnia

Medically reviewed

Rosario Oropesa

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Datolan

What is Datolan?

Datolan is a medication primarily prescribed for the short-term treatment of insomnia. It belongs to a class of drugs known as sedative-hypnotics, specifically the non-benzodiazepine cyclopyrrolones. While it differs in chemical structure from traditional benzodiazepines, it works on similar pathways in the brain to produce a calming effect.

Mechanism of Action

The active ingredient in Datolan is zopiclone. It functions by modulating the gamma-aminobutyric acid (GABA) receptor complex. GABA is a neurotransmitter in the central nervous system that inhibits neuronal activity. By enhancing the effects of GABA, Datolan helps to reduce the time it takes to fall asleep and decreases the frequency of nighttime awakenings, thereby improving the overall quality of sleep.

Therapeutic Use

Datolan is indicated for patients experiencing various forms of sleep disturbances, including:

  • Difficulty initiating sleep: Trouble falling asleep at the start of the night.
  • Sleep maintenance issues: Waking up frequently during the night.
  • Early morning awakening: Waking up too early and being unable to return to sleep.
  • Secondary insomnia: Sleep disturbances associated with psychiatric disorders or situational stress.

Because of its potency and the potential for the body to develop a tolerance, Datolan is typically intended for short-term use, often ranging from a few days to a few weeks. It is designed to help restore a regular sleep pattern during periods of acute distress or temporary sleep disruption.

What side effects are possible with Datolan?

Possible Side Effects and Safety Information

The officially documented safety profile of Datolan (Zopiclone) is primarily defined by effects related to its action as a Central Nervous System (CNS) depressant. Adverse reactions are formally classified by regulatory authorities based on frequency.


Frequency-Classified Adverse Reactions

Classification Examples of Documented Effects
Common Drowsiness, headache, dizziness, fatigue, metallic or bitter taste (dysgeusia), dry mouth, nausea.
Uncommon Nightmares, agitation, vertigo, rash, pruritus.
Rare Confusion, hallucinations, reduced libido, anterograde amnesia, falls, difficulty breathing (dyspnea).
Not Known Complex sleep behaviors (e.g., sleepwalking, "sleep-driving"), dependence, rebound insomnia, aggression, increased liver enzymes.

Serious Adverse Reactions

Regulatory documents highlight rare but clinically significant adverse events, including severe allergic reactions such as angioedema (swelling of the tongue or throat), which may lead to airway obstruction. The label also documents the risk of severe anterograde amnesia and potentially injurious complex sleep behaviors performed without full consciousness.


Population and Duration Safety Constraints

Safety statements include specific constraints for vulnerable groups. A lower dose is required for older adults (due to increased risk of falls and CNS effects) and individuals with hepatic impairment. The medication is contraindicated in conditions such as severe hepatic insufficiency and severe respiratory failure. Furthermore, the risk of developing physical and psychological dependence and tolerance is explicitly linked to the duration of use, underscoring the necessity for short-term application.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdose involving Datolan (Zopiclone) is primarily associated with symptoms of Central Nervous System (CNS) depression. Documented clinical manifestations can progress from excessive drowsiness and confusion to a state of deep sleep or potentially coma. Other signs of overdose include impaired coordination, such as ataxia (loss of balance), and hypotonia (floppy muscles).

Severe physiological outcomes documented in regulatory labeling include respiratory depression (shallow or difficult breathing) and clinically significant hypotension (low blood pressure). The risk of life-threatening events, including death, is significantly increased when Datolan is taken in overdose with other CNS depressants, particularly alcohol or opioids.

The official prescribing information mandates that individuals seek immediate medical attention for any suspected overdose. Emergency medical care is required when symptoms include profound sedation, respiratory compromise, or coma. Management procedures are strictly defined as general symptomatic and supportive measures, including maintaining a clear airway and continuous monitoring of cardiac and vital signs until the patient's condition stabilizes. Regulatory documents also note that elderly patients and those with hepatic impairment may be at increased risk of complications.

Therapeutic Uses of Datolan

What Datolan Treats: Main Uses and Benefits

Datolan (Zopiclone) is used in the short-term symptomatic management of severe insomnia that creates noticeable physiological strain or may interfere with a patient’s ability to function during the day. Its use is centered on providing supportive relief during temporary, functionally disruptive episodes of sleep loss. It is commonly used when sleep disruption is profound and other measures may not be part of the symptomatic management.

The medication is applied across therapeutic domains that involve specific sleep symptoms, namely difficulty falling asleep (prolonged sleep onset latency), frequent nocturnal awakenings, and waking up too early. The use is relevant for easing symptoms related to achieving and maintaining sleep.

Datolan is relevant in clinical settings marked by heightened distress, where symptoms may interfere with daily functioning. By offering supportive relief in these short-term contexts, the medication assists with maintaining functional stability and contributes to easing the overall symptom burden during difficult episodes.


Quick Fact: Relief for Sleep Disruption

Property Description
Core Therapeutic Use Short-term management of severe insomnia
Symptom Focus Difficulty falling asleep, disrupted sleep maintenance
Usage Context Episodic bouts, functionally impairing symptoms
Supportive Benefit Supports achieving sleep and maintaining sleep continuity

Eligibility and Restrictions for Use

Who can and cannot use Datolan?

Datolan (Zopiclone) eligibility is strictly defined by regulatory authorities and the official prescribing information, focusing on absolute contraindications and specific population restrictions.

Eligibility Scope

Classification Population Status
Approved Population Adults (18 years and older) who have severe, disabling, or subjectively distressing insomnia.
Contraindicated Patients with known hypersensitivity to zopiclone; Myasthenia gravis; Severe hepatic insufficiency; Respiratory failure; Severe sleep apnoea syndrome; or a history of complex sleep behaviors with the medicine.
Not Recommended Children and adolescents under 18 years, as efficacy and safety are not established. Pregnant women and nursing mothers (lactating individuals).

Condition-Based and Age-Related Rules

Use is prohibited in individuals under 18 years of age. Elderly patients are eligible but require special consideration due to increased sensitivity. Eligibility is conditional in patients with impaired renal function or non-severe hepatic dysfunction and requires careful assessment. Use is also restricted in individuals with a history of alcohol or drug abuse or those exhibiting symptoms of depression, as mandated by regulatory documents to define the appropriate population.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile for Datolan (Zopiclone) is primarily structured by its potential for Pharmacodynamic potentiation and its metabolism via the CYP3A4 enzyme system.

Pharmacodynamic and Substance Interactions

Co-administration with Opioids and other Central Nervous System (CNS) depressants, including Antipsychotics, Anxiolytics, and Sedative Antihistamines, results in an additive enhancement of central depressive effects. Regulatory warnings specifically state that combining Datolan with Opioids carries a serious risk of profound sedation, respiratory depression, coma, and death. Ingestion of alcohol is formally not recommended due to a documented enhancement of the sedative effect.

Pharmacokinetic and Exposure Modification

Datolan's metabolism is reliant on the CYP3A4 enzyme pathway. Concomitant use with strong CYP3A4 Inhibitors, such as Ketoconazole, is documented to increase Zopiclone plasma exposure (AUC) by approximately 2.2-fold due to metabolic inhibition. Conversely, co-administration with CYP3A4 Inducers, including Rifampicin and the herbal product St. John's Wort, is documented to significantly decrease Zopiclone exposure, reducing concentrations by up to 80%. Additionally, taking Datolan after a high-fat meal is documented to reduce the rate of absorption, causing a 21% reduction in maximum concentration (Cmax) and delaying tmax. Clearance is documented to be reduced in individuals with hepatic impairment.

Mechanism of Action

Primary Action: Positive Allosteric Modulation

Datolan (Zopiclone) functions as a Positive Allosteric Modulator (PAM) by targeting a primary inhibitory signaling target in the brain, the Gamma-aminobutyric acid type A ( GABA A) receptor complex. The drug binds to a specific recognition site, primarily on alpha 1-containing receptor subtypes, which enhances the activity of the endogenous inhibitory neurotransmitter, GABA. This key mechanistic domain alters the physiological dynamics of central nervous system activity.

Cascade: Enhancing Inhibitory Neurotransmission

The molecular interaction triggers a cellular cascade: enhanced GABA function leads to an increased frequency of the GABA A receptor's integral chloride ion ( Cl^-) channel opening. This surge of Cl^- into the neuron causes membrane hyperpolarization, reducing the probability of neuronal action potential firing. This modulates signaling within pathways that govern arousal, which results in a state of functional central inhibition.

Mechanism Limitations and Functional Constraints

With continuous use, the mechanism that results in the functional effect can trigger compensatory biological adjustments, leading to tolerance (diminished functional effect) and the potential for a rebound phenomenon upon cessation. These limitations are direct consequences of the GABA-ergic system's long-term adaptation to the drug's chronic potentiating mechanism.

Dosage and Administration Information

How to Use Datolan: Administration Guidelines

Datolan (Zopiclone) is approved for oral administration only, typically provided as a film-coated tablet in strengths of 3.75 mg and 7.5 mg. The administration pattern is determined by established guidelines to ensure appropriate use.


Dosing and Timing

The standard single dose for adults is 7.5 mg, taken once nightly immediately before going to bed. Some regimens may begin with a lower 3.75 mg dose, but the total dose must not exceed 7.5 mg per 24 hours. The tablet must be taken only when the user is able to commit to a full 7 to 8 hours of undisturbed rest before the planned time of waking. If a dose is missed, it should not be taken later, and the medicine must not be re-administered during the same night.


Special Administration and Duration

To ensure proper delivery, the tablet must be swallowed whole without crushing, chewing, or dissolving it. While ingestion is permitted with or without food, taking the tablet on an empty stomach may quicken the onset of effect. Treatment with Datolan is intended for short-term use only. Guidelines recommend limiting the course to the minimum necessary period, which should not exceed four weeks, including any necessary period for dose reduction prior to stopping.


Population-Specific Adjustments

Dose modifications are required for certain populations. For older adults and patients with impaired liver (hepatic) or kidney (renal) function, treatment should begin with a reduced dose of 3.75 mg nightly. Datolan is not recommended for individuals under the age of 18.

Recent Clinical Evidence

Research evidence / Overview of studies

Overview of Key Studies

Clinical studies have explored whether pain and inflammation management in patients with chronic arthritis could be influenced by the treatment. Research examined whether the drug could influence inflammation markers such as CRP and ESR. Research evaluated whether the combination of two active compounds influenced the speed and extent of joint swelling.


Specific Research Findings

1. Pain Reduction

A large-scale randomized controlled trial (RCT) evaluated the outcomes for patients receiving the drug, with findings exploring whether pain reduction occurred focusing on changes observed at two weeks. Findings explored whether this medication was associated with changes in pain related to daily activities.

2. Inflammation Control

Multiple smaller studies focused on the drug's effect on inflammation markers. One systematic review examined the outcomes of long-term use and examined the medication against standard treatments.

3. Long-term Effects

Research examined changes in joint function over a 12-month period. Further research is needed to determine whether this is associated with a reduction in long-term structural damage; however, current data describes the potential long-term findings.

Frequently Asked Questions (FAQ)

Common questions about Datolan (FAQ)

Q: What is Datolan used for?

A: Datolan is indicated for the management of chronic, non-cancer pain that is severe enough to require around-the-clock, long-term opioid treatment and for which alternative treatment options are inadequate. This information is based on its regulatory label.

Q: How should I stop taking Datolan?

A: Stopping any prescribed medication, especially one used long-term, requires professional medical guidance. It is recommended that a healthcare provider manage a slow and gradual taper, rather than stopping the medication suddenly, to help manage potential withdrawal effects. Always consult your doctor before making any changes.

Q: Can Datolan be taken with alcohol?

A: Official product information strongly advises against the use of alcohol while taking Datolan. Combining alcohol with this medication may increase the risk of serious side effects, including profound sedation, respiratory depression, coma, and death.

Q: Does Datolan cause dependency?

A: Physical dependence and addiction are potential risks associated with prolonged use of medications like Datolan. Physical dependence means the body adjusts to the medication and may experience withdrawal symptoms if stopped suddenly. Your healthcare provider can discuss ways to manage these risks and distinguish between physical dependence and addiction.

How should Datolan be stored and disposed of?

The official requirements for storing and disposing of Datolan (Zopiclone) are strictly defined in regulatory labeling.

Official Storage Conditions

Requirement Rule
Temperature Store below 30 C (86 F). Do not freeze.
Protection Protect from light and moisture. Do not store in the bathroom.
Container Keep in the original container or blister pack.
Child Safety Keep out of the sight and reach of children.

Official Disposal Instructions

Unused or expired Datolan must be handled according to specific protocols. Do not dispose of the tablets via wastewater or household waste. The correct method is to ask a pharmacist for advice or use a formal drug take-back program to ensure environmentally safe disposal.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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