Stendra vs Viagra Professional: side-by-side comparison
Stendra (Avanafil) and Viagra Professional (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 | Stendra | Viagra Professional |
|---|---|---|
| Active ingredient | Avanafil | Sildenafil Citrate |
| Manufacturer | Metuchen Pharmaceuticals | Pfizer |
| Class | Dysfonction érectile | Dysfonction érectile |
| Strengths | 50mg, 100mg, 200mg | 100mg |
| Forms | tablet | sublingual tablet |
What's the same
Stendra and Viagra Professional both belong to the Dysfonction érectile class and are used for partially overlapping indications. The active ingredients — Avanafil 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 (Avanafil vs Sildenafil Citrate), strengths (50mg, 100mg, 200mg vs 100mg), forms (tablet vs sublingual tablet), and the mechanism, half-life and side-effect nuances that distinguish members of the class.
Mechanism and action
Stendra: L'avanafil inhibe sélectivement la phosphodiestérase de type 5 dans le corps caverneux, ce qui augmente le GMP cyclique et amplifie la vasodilatation médiée par le monoxyde d'azote en réponse à la stimulation sexuelle. Viagra Professional: Le citrate de sildénafil inhibe la PDE5, ce qui permet au GMP cyclique produit lors de l'excitation sexuelle de s'accumuler dans le tissu pénien, relâchant le muscle lisse des artères péniennes et augmentant l'afflux san…
When Stendra is preferred
Stendra est autorisé dans la dysfonction érectile chez l'homme adulte.
When Viagra Professional is preferred
Viagra Professional s'adresse à l'homme adulte présentant une dysfonction érectile.
Questions fréquentes
Is Stendra or Viagra Professional better? ▾
There is no single answer. Stendra and Viagra Professional 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 Stendra to Viagra Professional? ▾
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 Stendra and Viagra Professional 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.
More Stendra comparisons
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