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(eszopiclone) Film-coated Tablets for Oral Administration
LUNESTA (eszopiclone) is a nonbenzodiazepine hypnotic agent that is a pyrrolopyrazine derivative of the cyclopyrrolone class. The chemical name of eszopiclone is (+)-(5S)-6-(5-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b] pyrazin-5-yl 4-methylpiperazine-1-carboxylate. 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)?
Eszopiclone may cause a severe allergic reaction. Stop taking eszopiclone and get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
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,...
What are the precautions when taking eszopiclone (Lunesta)?
Before taking eszopiclone, tell your doctor or pharmacist if you are allergic to it; or to zopiclone; 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.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, liver disease, lung/breathing problems (such as chronic obstructive pulmonary disease-COPD, sleep apnea), mental/mood problems (such as depression, thoughts of suicide), personal or family history of regular use/abuse of drugs/alcohol/other substances, personal or family history of sleepwalking, a certain muscle disease (myasthenia gravis).
Since this drug makes you drowsy, do not...
Last reviewed on RxList: 5/29/2014
This monograph has been modified to include the generic and brand name in many instances.
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