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When researchers combined studies of some of the newer prescription sleep drugs,"...
LUNESTA (eszopiclone) is a nonbenzodiazepine hypnotic agent that is a pyrrolopyrazine derivative of the cyclopyrrolone class. The chemical name of eszopiclone is (+)-(5S)-6-(5chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b] pyrazin-5-yl 4-methylpiperazine-1carboxylate. Its molecular weight is 388.81, and its empirical formula is C17H17ClN6O3. Eszopiclone has a single chiral center with an (S)-configuration. It has the following chemical structure:
Eszopiclone is a white to light-yellow crystalline solid. Eszopiclone is very slightly soluble in water, slightly soluble in ethanol, and soluble in phosphate buffer (pH 3.2).
Eszopiclone is formulated as film-coated tablets for oral administration. LUNESTA tablets contain 1 mg, 2 mg, or 3 mg eszopiclone and the following inactive ingredients: calcium phosphate, colloidal silicon dioxide, croscarmellose sodium, hypromellose, lactose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, titanium dioxide, and triacetin. In addition, both the 1 mg and 3 mg tablets contain FD&C Blue #2.
What are the possible side effects of eszopiclone (Lunesta)?
Stop using eszopiclone and call your doctor at once if you have any of these serious side effects:
- aggression, agitation, changes in behavior;
- thoughts of hurting yourself; or
- hallucinations (hearing or seeing things).
Less serious side effects may include:
- day-time drowsiness, dizziness, "hangover" feeling;
- problems with memory or concentration;
- anxiety, depression, nervous feeling;
- nausea, stomach pain, loss of appetite, constipation;
- dry mouth;
- unusual or unpleasant taste in your...
What are the precautions when taking eszopiclone (Lunesta)?
Before taking this medication, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: intoxication with medications that depress the nervous system or your breathing (CNS/respiratory depressants such as alcohol or tranquilizers/sedatives).
Before using this medication, tell your doctor or pharmacist your medical history, especially of: liver disease, lung diseases (e.g., chronic obstructive pulmonary disease, sleep apnea), mental/mood problems...
Last reviewed on RxList: 10/18/2012
This monograph has been modified to include the generic and brand name in many instances.
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You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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