Provera vs Spironolactone: side-by-side comparison
Provera (Sexuelle Gesundheit der Frau) and Spironolactone (Diuretika) belong to different therapeutic classes and are rarely interchangeable. This page compares the medications' purposes, mechanisms and the situations where each is used.
| Property | Provera | Spironolactone |
|---|---|---|
| Active ingredient | Medroxyprogesterone | Spironolactone |
| Manufacturer | Pfizer | Various generics |
| Class | Sexuelle Gesundheit der Frau | Diuretika |
| Strengths | 2.5mg, 5mg, 10mg | 25mg, 50mg, 100mg |
| Forms | tablet | tablet |
What's the same
Provera and Spironolactone 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
Provera belongs to Sexuelle Gesundheit der Frau while Spironolactone belongs to Diuretika. 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
Provera: Medroxyprogesteronacetat bindet an Progesteronrezeptoren und entfaltet starke gestagene Wirkungen: Verdickung des Zervixschleims, Hemmung der Ovulation, Atrophie des Endometriums und Reduktion der endometrialen Prolifera… Spironolactone: Spironolacton blockiert den Aldosteron-(Mineralokortikoid-)Rezeptor im distalen Tubulus kompetitiv und reduziert dadurch die Natriumrückresorption und die Kaliumausscheidung.
When Provera is preferred
Provera ist zugelassen bei Amenorrhoe, abnormalen uterinen Blutungen aufgrund hormoneller Dysbalance und zur Prävention der Endometriumhyperplasie bei postmenopausalen Frauen unter Östrogentherapie.
When Spironolactone is preferred
Spironolacton ist zur Behandlung der Herzinsuffizienz mit reduzierter Auswurffraktion, des primären Hyperaldosteronismus, der therapieresistenten Hypertonie, des Ödems bei Leberzirrhose oder nephrotischem Syndrom sowie bestimmter Kaliumverlustsyndrome zugelassen.
Häufig gestellte Fragen
Is Provera or Spironolactone better? ▾
Provera and Spironolactone 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 Provera to Spironolactone? ▾
Switching between Provera and Spironolactone 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 Provera and Spironolactone 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 Provera comparisons
Die Informationen auf dieser Website dienen ausschließlich zu Referenz- und Bildungszwecken. Sie ersetzen nicht die Beratung durch qualifiziertes medizinisches Fachpersonal.