Avodart vs Viagra Professional: side-by-side comparison
Avodart (Alopécie androgénétique) and Viagra Professional (Dysfonction érectile) belong to different therapeutic classes and are rarely interchangeable. This page compares the medications' purposes, mechanisms and the situations where each is used.
| Property | Avodart | Viagra Professional |
|---|---|---|
| Active ingredient | Dutasteride | Sildenafil Citrate |
| Manufacturer | GlaxoSmithKline | Pfizer |
| Class | Alopécie androgénétique | Dysfonction érectile |
| Strengths | 0.5mg | 100mg |
| Forms | capsule | sublingual tablet |
What's the same
Avodart and Viagra Professional 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
Avodart belongs to Alopécie androgénétique while Viagra Professional belongs to Dysfonction érectile. 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
Avodart: Avodart inhibe les deux isoformes de la 5α-réductase, l'enzyme qui convertit la testostérone en dihydrotestostérone (DHT). 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 Avodart is preferred
Avodart est autorisé dans le traitement de l'hypertrophie bénigne de la prostate symptomatique modérée à sévère, seul ou en association à l'alpha-bloquant tamsulosine.
When Viagra Professional is preferred
Viagra Professional s'adresse à l'homme adulte présentant une dysfonction érectile.
Questions fréquentes
Is Avodart or Viagra Professional better? ▾
Avodart and Viagra Professional 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 Avodart to Viagra Professional? ▾
Switching between Avodart and Viagra Professional 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 Avodart and Viagra Professional 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 Avodart comparisons
Les informations publiées sur ce site sont fournies à titre documentaire et pédagogique. Elles ne remplacent pas l'avis d'un professionnel de santé qualifié.