Propecia vs Yaz: side-by-side comparison
Propecia (Alopécie androgénétique) and Yaz (Hormones et contraception) belong to different therapeutic classes and are rarely interchangeable. This page compares the medications' purposes, mechanisms and the situations where each is used.
| Property | Propecia | Yaz |
|---|---|---|
| Active ingredient | Finasteride | Drospirenone |
| Manufacturer | Merck | Bayer |
| Class | Alopécie androgénétique | Hormones et contraception |
| Strengths | 1mg | 3mg/0.02mg |
| Forms | tablet | tablet |
What's the same
Propecia and Yaz 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
Propecia belongs to Alopécie androgénétique while Yaz belongs to Hormones et contraception. 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
Propecia: La DHT, produite à partir de la testostérone par la 5-alpha-réductase, entraîne la miniaturisation des follicules pileux du cuir chevelu chez les hommes génétiquement prédisposés, raccourcissant progressivement les phase… Yaz: Yaz prévient la grossesse par trois mécanismes : le blocage de l'ovulation (effet dominant), l'épaississement de la glaire cervicale qui gêne le passage des spermatozoïdes, et la modification de la réceptivité de l'endom…
When Propecia is preferred
Propecia est autorisé dans le traitement de l'alopécie androgénétique masculine chez l'homme de 18 à 41 ans.
When Yaz is preferred
Yaz est autorisé dans la contraception chez la femme adulte demandant un contraceptif oral, dans le traitement du trouble dysphorique prémenstruel et dans celui de l'acné modérée chez la femme de 14 ans et plus demandant également une contraception.
Questions fréquentes
Is Propecia or Yaz better? ▾
Propecia and Yaz 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 Propecia to Yaz? ▾
Switching between Propecia and Yaz 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 Propecia and Yaz 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 Propecia 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.