Cialis vs Brand Viagra: side-by-side comparison
Cialis (Tadalafil) and Brand Viagra (Sildenafil Citrate) 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 | Brand Viagra |
|---|---|---|
| Active ingredient | Tadalafil | Sildenafil Citrate |
| Manufacturer | Eli Lilly | Pfizer |
| Class | Dysfonction érectile | Dysfonction érectile |
| Strengths | 2.5mg, 5mg, 10mg, 20mg | 100mg |
| Forms | tablet | tablet |
What's the same
Cialis and Brand Viagra both belong to the Dysfonction érectile class and are used for partially overlapping indications. The active ingredients — Tadalafil vs Sildenafil Citrate — share the same therapeutic approach, so many safety and management points carry across both.
Key differences
Meaningful differences are in active ingredient (Tadalafil vs Sildenafil Citrate), strengths (2.5mg, 5mg, 10mg, 20mg vs 100mg), 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. Brand Viagra: Le mécanisme est identique à celui de tout produit à base de sildénafil : l'inhibition de la PDE5 empêche la dégradation du GMP cyclique dans le corps caverneux, ce qui permet au relâchement du muscle lisse déclenché par…
When Cialis is preferred
Cialis est indiqué chez l'homme adulte dans le traitement de la dysfonction érectile.
When Brand Viagra is preferred
Brand Viagra est indiqué chez l'homme adulte dans le traitement de la dysfonction érectile, indication commune à l'ensemble de la gamme Viagra et aux génériques autorisés de sildénafil.
Questions fréquentes
Is Cialis or Brand Viagra better? ▾
There is no single answer. Cialis and Brand Viagra 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 Brand Viagra? ▾
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 Brand Viagra 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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