Lunesta vs Cialis: side-by-side comparison
Lunesta (Sleep Aids and Hypnotics) and Cialis (Erectile Dysfunction (ED)) belong to different therapeutic classes and are rarely interchangeable. This page compares the medications' purposes, mechanisms and the situations where each is used.
| Property | Lunesta | Cialis |
|---|---|---|
| Active ingredient | Eszopiclone | Tadalafil |
| Manufacturer | Sunovion | Eli Lilly |
| Class | Sleep Aids and Hypnotics | Erectile Dysfunction (ED) |
| Strengths | 1mg, 2mg, 3mg | 2.5mg, 5mg, 10mg, 20mg |
| Forms | tablet | tablet |
What's the same
Lunesta and Cialis are used in very different patients, and the points in common are limited. The main shared element is that both meet regulatory standards for efficacy and safety and benefit from pharmacist oversight.
Key differences
Lunesta belongs to Sleep Aids and Hypnotics while Cialis belongs to Erectile Dysfunction (ED). Indications, mechanisms and target populations differ. The comparison is most useful when a clinician has mentioned both medications and the patient wants to understand where each fits.
Mechanism and action
Lunesta: Eszopiclone is a positive allosteric modulator of the GABA-A receptor at a site close to the benzodiazepine binding site. Cialis: During sexual stimulation, nitric oxide is released in the corpus cavernosum and activates an enzyme that produces cyclic GMP.
When Lunesta is preferred
Lunesta is approved in adults for the treatment of insomnia, including difficulty falling asleep and difficulty maintaining sleep.
When Cialis is preferred
Cialis is indicated in adult men for the treatment of erectile dysfunction.
Frequently asked questions
Is Lunesta or Cialis better? ▾
Lunesta and Cialis are not interchangeable — they treat different conditions. Asking which is "better" is meaningful only when a clinician has weighed both for the same specific clinical scenario.
Can I switch from Lunesta to Cialis? ▾
Switching between Lunesta and Cialis is rarely an appropriate decision since they belong to different classes and treat different conditions. The real question is usually whether the diagnosis calls for one medication or the other — which the prescriber resolves.
Do Lunesta and Cialis have the same side effects? ▾
No — they belong to different classes and have distinct side-effect profiles. Each medication has its own prescribing information.
More Lunesta comparisons
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.