Cialis vs Levitra: side-by-side comparison
Cialis (Tadalafil) and Levitra (Vardenafil) both belong to the Dysfonction érectile 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 | Cialis | Levitra |
|---|---|---|
| Active ingredient | Tadalafil | Vardenafil |
| Manufacturer | Eli Lilly | Bayer |
| Class | Dysfonction érectile | Dysfonction érectile |
| Strengths | 2.5mg, 5mg, 10mg, 20mg | 5mg, 10mg, 20mg |
| Forms | tablet | tablet |
What's the same
Cialis and Levitra both belong to the Dysfonction érectile class and are used for partially overlapping indications. The active ingredients — Tadalafil vs Vardenafil — share the same therapeutic approach, so many safety and management points carry across both.
Key differences
Meaningful differences are in active ingredient (Tadalafil vs Vardenafil), strengths (2.5mg, 5mg, 10mg, 20mg vs 5mg, 10mg, 20mg), forms (tablet vs tablet), and the mechanism, half-life and side-effect nuances that distinguish members of the class.
Mechanism and action
Cialis: Lors de la stimulation sexuelle, du monoxyde d'azote est libéré dans le corps caverneux et active une enzyme qui produit du GMP cyclique. Levitra: Lors de la stimulation sexuelle, du monoxyde d'azote est libéré dans le corps caverneux et active une enzyme produisant du GMP cyclique, qui relâche le muscle lisse et augmente l'afflux sanguin nécessaire à l'érection.
When Cialis is preferred
Cialis est indiqué chez l'homme adulte dans le traitement de la dysfonction érectile.
When Levitra is preferred
Levitra est indiqué chez l'homme adulte dans le traitement de la dysfonction érectile.
Questions fréquentes
Is Cialis or Levitra better? ▾
There is no single answer. Cialis and Levitra both belong to the Dysfonction érectile 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 Cialis to Levitra? ▾
Switching within the Dysfonction érectile 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 Cialis and Levitra have the same side effects? ▾
They share many of the Dysfonction érectile class side effects, with differences from mechanism and dose. Each medication's prescribing information lists specifics.
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