Stendra vs Prometrium: side-by-side comparison
Stendra (Erektile Dysfunktion (ED)) and Prometrium (Hormone und Empfängnisverhütung) belong to different therapeutic classes and are rarely interchangeable. This page compares the medications' purposes, mechanisms and the situations where each is used.
| Property | Stendra | Prometrium |
|---|---|---|
| Active ingredient | Avanafil | Progesterone |
| Manufacturer | Metuchen Pharmaceuticals | Catalent / Virtus |
| Class | Erektile Dysfunktion (ED) | Hormone und Empfängnisverhütung |
| Strengths | 50mg, 100mg, 200mg | 100mg, 200mg |
| Forms | tablet | capsule |
What's the same
Stendra and Prometrium 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
Stendra belongs to Erektile Dysfunktion (ED) while Prometrium belongs to Hormone und Empfängnisverhütung. 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
Stendra: Avanafil hemmt selektiv die Phosphodiesterase Typ 5 (PDE5) im Schwellkörper, erhöht die cGMP-Konzentration und verstärkt die durch Stickstoffmonoxid vermittelte Vasodilatation als Reaktion auf sexuelle Stimulation. Prometrium: Progesteron in Prometrium bindet an Progesteronrezeptoren und moduliert die Genexpression in reproduktiven und anderen Geweben.
When Stendra is preferred
Stendra ist zur Behandlung der erektilen Dysfunktion bei erwachsenen Männern zugelassen.
When Prometrium is preferred
Prometrium ist zum Endometriumschutz bei postmenopausalen Frauen unter Östrogentherapie, bei sekundärer Amenorrhoe und ausgewählten ART-Indikationen zugelassen.
Häufig gestellte Fragen
Is Stendra or Prometrium better? ▾
Stendra and Prometrium 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 Stendra to Prometrium? ▾
Switching between Stendra and Prometrium 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 Stendra and Prometrium 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 Stendra comparisons
Die Informationen auf dieser Website dienen ausschließlich zu Referenz- und Bildungszwecken. Sie ersetzen nicht die Beratung durch qualifiziertes medizinisches Fachpersonal.