Propecia vs Stendra: side-by-side comparison
Propecia (Male and Female Pattern Hair Loss) and Stendra (Erectile Dysfunction (ED)) 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 | Stendra |
|---|---|---|
| Active ingredient | Finasteride | Avanafil |
| Manufacturer | Merck | Metuchen Pharmaceuticals |
| Class | Male and Female Pattern Hair Loss | Erectile Dysfunction (ED) |
| Strengths | 1mg | 50mg, 100mg, 200mg |
| Forms | tablet | tablet |
What's the same
Propecia and Stendra 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 Male and Female Pattern Hair Loss while Stendra belongs to Erectile Dysfunction (ED). 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: DHT, produced from testosterone by 5-alpha-reductase, drives miniaturisation of scalp hair follicles in genetically susceptible men, gradually shortening anagen growth phases until follicles produce only fine vellus hair… Stendra: Avanafil selectively inhibits phosphodiesterase type 5 (PDE5) in the corpus cavernosum, increasing cGMP and enhancing nitric-oxide-mediated vasodilation in response to sexual stimulation.
When Propecia is preferred
Propecia is approved for the treatment of male pattern hair loss (androgenetic alopecia) in men aged 18 to 41.
When Stendra is preferred
Stendra is approved for erectile dysfunction in adult men.
Frequently asked questions
Is Propecia or Stendra better? ▾
Propecia and Stendra 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 Stendra? ▾
Switching between Propecia and Stendra 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 Stendra 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
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.