Ambien vs Lunesta: side-by-side comparison
Ambien (Zolpidem) and Lunesta (Eszopiclone) both belong to the Sleep Aids and Hypnotics class. They share clinical context but use different active ingredients. The choice between them depends on mechanism nuances, side-effect profile and individual response.
| Property | Ambien | Lunesta |
|---|---|---|
| Active ingredient | Zolpidem | Eszopiclone |
| Manufacturer | Sanofi | Sunovion |
| Class | Sleep Aids and Hypnotics | Sleep Aids and Hypnotics |
| Strengths | 5mg, 10mg, 6.25mg CR, 12.5mg CR | 1mg, 2mg, 3mg |
| Forms | tablet, controlled-release tablet | tablet |
What's the same
Ambien and Lunesta both belong to the Sleep Aids and Hypnotics class and are used for partially overlapping indications. The active ingredients — Zolpidem vs Eszopiclone — share the same therapeutic approach, so many safety and management points carry across both.
Key differences
Meaningful differences are in active ingredient (Zolpidem vs Eszopiclone), strengths (5mg, 10mg, 6.25mg CR, 12.5mg CR vs 1mg, 2mg, 3mg), forms (tablet, controlled-release tablet vs tablet), and the mechanism, half-life and side-effect nuances that distinguish members of the class.
Mechanism and action
Ambien: Zolpidem is a positive allosteric modulator of the GABA-A receptor with relative selectivity for the alpha-1 subunit, which is associated with sedation and sleep induction. Lunesta: Eszopiclone is a positive allosteric modulator of the GABA-A receptor at a site close to the benzodiazepine binding site.
When Ambien is preferred
Ambien is approved in adults for the short-term treatment of insomnia, typically when difficulty falling asleep or maintaining sleep is associated with daytime impairment.
When Lunesta is preferred
Lunesta is approved in adults for the treatment of insomnia, including difficulty falling asleep and difficulty maintaining sleep.
Frequently asked questions
Is Ambien or Lunesta better? ▾
There is no single answer. Ambien and Lunesta both belong to the Sleep Aids and Hypnotics class but differ in mechanism nuances, half-life and side-effect profile. Preference depends on the patient, the prescriber and prior response to other therapies.
Can I switch from Ambien to Lunesta? ▾
Switching within the Sleep Aids and Hypnotics class is done under supervision, typically using equivalent doses and a follow-up period to confirm response and tolerance. It is not a self-directed decision.
Do Ambien and Lunesta have the same side effects? ▾
They share many of the Sleep Aids and Hypnotics class side effects, with differences from mechanism and dose. Each medication's prescribing information lists specifics.
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The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.