FM/CFS/ME RESOURCES - Drug Database - Imovane

 

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Drug Database - Imovane Imovane 7.5 mg. tablet

Generic Name: zopiclone (ZOP-i-klone)

Brand Names: Imovane®

Classification: Sedative-hypnotic

Issue Date: 1993

Imovane belongs to the group of medicines called central nervous system (CNS) depressants (medicines that make you drowsy or less alert). This medicine is used to treat insomnia (trouble in sleeping). Imovane helps you get to sleep faster and sleep through the night.

In general, when sleep medicines are used every night for a long time, they may lose their effectiveness. In most cases, sleep medicines should be used only for short periods of time, such as 1 or 2 days, and generally for no longer than 1 or 2 weeks.

This medicine is available only with your doctor's prescription, in the following dosage forms: Oral - Tablets (Canada)

  • Before Using This Medicine
  • How To Use This Medicine
  • Precautions While on this Medicine
  • If You Miss A Dose
  • Side Effects
  • Drug Interactions
  • Divider
    Before Using This Medicine

    Sleep medicines may cause a special type of memory loss or "amnesia". When this occurs, a person does not remember what has happened during the several hours between use of the medicine and the time when its effects wear off. This is usually not a problem since most people fall asleep after taking the medicine. In most instances, memory problems can be avoided by taking Imovane only when you are able to get a full night's sleep (7 to 8 hours) before you need to be active again. Be sure to talk to your doctor if you think you are having memory problems.

    In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For Imovane, the following should be considered:

    Allergies
    Tell your doctor if you have ever had any unusual or allergic reaction to Imovane. Also tell your doctor and pharmacist if you are allergic to any other substances, such as foods, preservatives, or dyes.

    Pregnancy
    Imovane has not been studied in pregnant women. In studies of pregnant animals that received doses of Imovane many times the human dose, fewer offspring survived. Before taking this medicine, make sure your doctor knows if you are pregnant or if you may become pregnant.

    Breast-feeding
    Imovane passes into breast milk and may cause unwanted effects in nursing babies. It may be necessary for you to take another medicine or to stop breast-feeding during treatment. Be sure you have discussed the risks and benefits of the medicine with your doctor.

    Children
    Studies on this medicine have been done only in adult patients, and there is no specific information comparing use of Imovane in children with use in other age groups.

    Older adults
    Confusion, lack of coordination, and falling are more likely to occur in the elderly, who are usually more sensitive than younger adults to the effects of Imovane.

    Other Medicines
    Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking Imovane, it is especially important that your doctor and pharmacist know if you are taking any of the following:

    • Other central nervous system (CNS) depressants (medicines that cause drowsiness)
    • Tricyclic antidepressants (medicines for depression)

    The CNS depressant effects of either these medicines or Imovane may be increased, possibly leading to unwanted effects.

    Other Medical Problems
    The presence of other medical problems may affect the use of Imovane. Make sure you tell your doctor if you have any other medical problems, especially:

    • Alcohol abuse (or history of)
    • Drug abuse (or history of) - Dependence on Imovane may develop
    • Emphysema, asthma, bronchitis, or other chronic lung disease
    • Mental depression
    • Myasthenia gravis
    • Sleep apnea (temporary stopping of breathing during sleep)
    • Kidney disease
    • Liver disease (severe)-Higher blood levels of Imovane may result

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    How To Use This Medicine

    Take this medicine only as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. If too much is taken, it may become habit-forming (causing mental or physical dependence).

    Do not take this medicine when your schedule does not permit you to get a full night's sleep (7 to 8 hours). If you must wake up before this, you may continue to feel drowsy and may experience memory problems, because the effects of the medicine have not had time to wear off.

    The dose of Imovane will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of Imovane. If your dose is different, do not change it unless your doctor tells you to do so.

    The number of tablets that you take depends on the strength of the medicine.

    • For oral dosage form (tablets)
    • For the treatment of insomnia (trouble in sleeping)
    • Adults-5 to 7.5 milligrams (mg) at bedtime
    • Older adults-3.75 mg at bedtime
    • Children up to 18 years of age, Use and dose must be determined by your doctor

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    Precautions While on this Medicine

    If you think you need to take Imovane for more than 7 to 10 days, be sure to discuss it with your doctor. Insomnia that lasts longer than this may be a sign of another medical problem.

    This medicine will add to the effects of alcohol and other CNS depressants (medicines that cause drowsiness). Some examples of CNS depressants are:

    • antihistamines
    • medicine for hay fever, other allergies, or colds
    • sedatives, tranquilizers, or sleeping medicine
    • prescription pain medicine or narcotics
    • barbiturates
    • medicine for seizures
    • muscle relaxants
    • anesthetics, including some dental anesthetics

    Check with your doctor before taking any of the above while you are using this medicine.

    This medicine may cause some people, especially older persons, to become drowsy, dizzy, lightheaded, clumsy or unsteady, or less alert than they are normally. Even though Imovane is taken at bedtime, it may cause some people to feel drowsy or less alert on arising. Make sure you know how you react to Imovane before you drive, use machines, or do anything else that could be dangerous if you are dizzy, or are not alert or able to see well.

    If you develop any unusual and strange thoughts or behavior while you are taking Imovane, be sure to discuss it with your doctor. Some changes that have occurred in people taking this medicine are like those seen in people who drink alcohol and then act in a manner that is not normal. Other changes may be more unusual and extreme such as:

    • confusion
    • worsening of depression
    • hallucinations (seeing, hearing, or feeling things that are not there)
    • suicidal thoughts
    • unusual excitement, nervousness, or irritability

    If you will be taking Imovane for a long time, do not stop taking it without first checking with your doctor. Your doctor may want you to gradually reduce the amount you are taking before stopping completely. Stopping this medicine suddenly may cause withdrawal side effects.

    After taking Imovane for insomnia, you may have difficulty sleeping (rebound insomnia) for the first few nights after you stop taking it.

    If you think you or someone else may have taken an overdose of this medicine, get emergency help AT ONCE. Taking an overdose of Imovane or taking alcohol or other CNS depressants with Imovane may lead to breathing problems and unconsciousness. Some signs of an overdose are:

    • clumsiness or unsteadiness
    • mental or mood changes
    • severe drowsiness
    • unusual tiredness or weakness

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    If You Miss A Dose

    If you miss a dose of this medicine, skip the missed dose and go back to your regular dosing schedule. Do not double dose.

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    Side Effects

    Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

    Check with your doctor as soon as possible if any of the following side effects occur:

    More Common

    • Confusion - more common in older adults
    • Clumsiness or unsteadiness
    • Daytime anxiety and/or restlessness
    • Difficulty with coordination
    • Mood or mental changes

    Less Common

    • Drowsiness (severe)
    • Shortness of breath
    • Difficult or labored breathing
    • Tightness in chest
    • Wheezing
    • Skin rash
    • Aggressiveness
    • Behavior changes

    Rare

    • Memory problems - more common in older patients
    • Behavior or mental changes

    Other side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome.

    More Common

    • Dizziness
    • Dryness of mouth
    • Heartburn
    • Impaired vision
    • Increased appetite
    • Indigestion
    • Loss of appetite
    • Stomach upset
    • Difficulty speaking
    • Constipation
    • Decreased muscle tone
    • Weight loss

    Less Common

    • Agitation
    • Chills
    • Fast, irregular, or pounding heartbeat
    • Feeling of heaviness of arms and legs
    • Increase in the amount of saliva
    • Increased sweating
    • Tingling
    • Burning or prickly sensation
    • Trembling and shaking of fingers, hands, arms, feet, or legs
    • Vomiting

    After you stop using this medicine, your body may need time to adjust. The length of time this takes depends on the amount of medicine you were using and how long you used it. During this time check with your doctor if you notice any of the following side effects:

    • Abdominal or stomach cramps or pain
    • Nausea
    • Vomiting
    • Difficulty in sleeping than before treatment
    • Muscle cramps or discomfort
    • Anxiety
    • Nervousness
    • Irritability
    • Restlessness
    • Increased sweating
    • Tremors
    • Seizures

    Imovane may cause you to have a coated tongue, bad breath, or a bitter taste. These effects are to be expected when you are taking this medicine.

    Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.

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    Drug Interactions

    Tell your doctor of any over-the-counter or prescription medication you may take, including:

    • antidepressants
    • anti-seizure drugs
    • narcotic pain relievers
    • sedatives,/
    • Do not start or stop any medicine without doctor or pharmacist approval.

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