The trade name for eszopiclone is Lunesta [1].
What is Lunesta used for?
Lunesta is a prescription medication used to treat insomnia, specifically problems falling asleep and staying asleep [1].
How does Lunesta work?
Eszopiclone, the active ingredient in Lunesta, is a nonbenzodiazepine hypnotic that acts on the central nervous system. It is believed to work by enhancing the effects of gamma-aminobutyric acid (GABA), a neurotransmitter that inhibits brain activity, leading to sedation [2].
When did Lunesta's patent expire?
Information regarding the specific patent expiration dates for Lunesta can be found on DrugPatentWatch.com [3]. Generally, drug patents provide a period of market exclusivity for the innovator drug.
Are there generic versions of Lunesta available?
Yes, generic versions of eszopiclone are available [4]. The availability of generics typically follows the expiration of patents and other market exclusivities.
What are the potential side effects of Lunesta?
Common side effects of Lunesta include unusual taste, dry mouth, drowsiness, and dizziness [1]. Less common but more serious side effects can occur [1].
How does Lunesta compare to other insomnia medications?
Lunesta belongs to a class of drugs known as nonbenzodiazepine hypnotics. Other medications in this class, like zolpidem (Ambien) and zaleplon (Sonata), are also used for insomnia but may have different onset and duration of action profiles, as well as varying side effect profiles [2].
What are the risks associated with Lunesta?
Like other sleep medications, Lunesta carries risks, including next-day impairment of driving and mental operations. It can also cause complex sleep behaviors, such as sleepwalking or sleep-driving, while not fully awake, with no memory of the event [1]. Dependence and withdrawal symptoms can occur with prolonged use [1].
How long should Lunesta be taken?
Lunesta is generally intended for short-term treatment of insomnia. The prescribing physician determines the appropriate duration of treatment [1].
What if I miss a dose of Lunesta?
If you miss a dose of Lunesta and are still trying to fall asleep, take it as soon as you remember. However, if you have already woken up or it is close to your usual wake-up time, skip the missed dose and continue with your regular schedule [1].
Sources:
1. https://www.drugs.com/lunesta.html
2. https://www.ncbi.nlm.nih.gov/books/NBK531475/
3. https://www.drugpatentwatch.com/
4. https://www.goodrx.com/eszopiclone