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Generic Name: Eszopiclone (e-ZOP-i-klone)

Drug Class: Sedative-hypnotics

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Lunesta (eszopiclone) is a sedative, also known as a hypnotic, and it is used to treat insomnia. It may help those who take it to fall asleep faster, and sleep for a longer period of time, for a more restful night’s sleep.

It affects chemicals in your brain to produce a calming and relaxing effect in people with sleep problems (insomnia).

This information is for educational purposes only. Not every known side effect, adverse effect, or drug interaction is in this database. If you have questions about your medicines, talk to your health care provider.

How to Take It

Follow the directions for using this medicine provided by your doctor. This medicine should be taken just before going to bed. Continue to take this medicine even if you feel well. Do not miss any doses.

Side Effects

Side effects that may occur while taking this medicine include:

  • heartburn
  • infection
  • difficult speaking
  • nausea
  • unpleasant taste
  • impaired vision
  • drowsiness
  • dizziness

Contact your doctor immediately if you experience:

  • clumsiness
  • labored breathing
  • behavioral changes
  • memory problems
  • loss of consciousness
  • stomach cramps
  • seizures
  • tremors

Warnings & Precautions

  • ┬áIf you are engaging in activities that you have no memory of while taking this medication, such as driving a car, making phone calls, or eating, stop taking Lunesta immediately and consult with your doctor about alternative medications.
  • Let your doctor know if you use street drugs, drink large amounts of alcohol, or if you overuse prescription medications.
  • Lunesta can cause drowsiness during the daytime. DO NOT operate any kind of machinery, including driving a car, until you know how this medication affects you.
  • Older adults may be more sensitive to the sedative effects of this drug. Use extra caution to avoid falling down while taking this medication.
  • Lunesta should be taken just before you get into bed. DO NOT take it with or immediately following a heavy meal. This may reduce its effectiveness.
  • You may have insomnia for several nights after finishing Lunesta. It will usually go away after 1 or 2 nights. Contact your doctor if it continues.
  • For an overdose, seek medical attention immediately. For non-emergencies, contact your local or regional poison control center at 1-800-222-1222.

Drug Interactions

Before taking any new medicine, either prescription or over-the-counter, check with your doctor or pharmacist. This includes supplements and herbal products.

Dosage & Missed Dose

The typical adult dosage of Lunesta is 2 or 3 mg before bedtime. For people over age 65 the typical dosage is either 1 mg or 2 mg.

If you missed a dose before you went to bed and are unable to fall asleep, you should only take your dose if you will be able to stay in bed for at least 7-8 hours longer.


Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (preferably not in the bathroom). Throw away any medication that is outdated or no longer needed.


If you plan on becoming pregnant, discuss with your doctor the benefits and risks of using this medicine during pregnancy. It is not known whether Lunesta will harm an unborn baby. It is also not known if this medication will pass into breast milk and could harm a baby while nursing.

More Information

For more information, talk to your doctor, pharmacist or health care provider, or you can visit this website, for additional information from the manufacturer of this drug.



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APA Reference
Psych Central. (2018). Lunesta. Psych Central. Retrieved on September 26, 2020, from


Scientifically Reviewed
Last updated: 8 Oct 2018
Last reviewed: By Christine Traxler, M.D.
Published on All rights reserved.