Originally Posted by
ralfp
Eszopiclone is the active stereoisomer of zopiclone. It exists as a separate drug from zopiclone because of patent reasons; there's no motivation to go through the FDA approval process for an off-patent drug.
AFAIK the side effect profile of the two is the same.
Cool, does that mean the 7.5mg zopiclone they sold me are each the equivalent of one Lunesta? In that case, I'll try them.