According to Drugs.com, zopiclone is available only with a prescription. The drug is for the treatment of insomnia and affects the central nervous system by making the patient drowsy and less alert.
Drugs.com states that zopiclone is taken for less than two weeks, typically only for a couple of days. It lists dosages for adults between 5 and 7.5 milligrams, or as little as 3.75 milligrams for senior citizens. Dosages of the drug should never be doubled, so if a dose is missed, it should be forgotten and taken again when the normal scheduled time arrives. Zopiclone is listed as a nonbarbituate hypnotic.