Spironolactone vs Provera: side-by-side comparison
Spironolactone (Diurétiques) and Provera (Santé sexuelle féminine) belong to different therapeutic classes and are rarely interchangeable. This page compares the medications' purposes, mechanisms and the situations where each is used.
| Property | Spironolactone | Provera |
|---|---|---|
| Active ingredient | Spironolactone | Medroxyprogesterone |
| Manufacturer | Various generics | Pfizer |
| Class | Diurétiques | Santé sexuelle féminine |
| Strengths | 25mg, 50mg, 100mg | 2.5mg, 5mg, 10mg |
| Forms | tablet | tablet |
What's the same
Spironolactone and Provera 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
Spironolactone belongs to Diurétiques while Provera belongs to Santé sexuelle féminine. 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
Spironolactone: La spironolactone bloque de façon compétitive le récepteur de l'aldostérone (minéralocorticoïde) au niveau du tube distal, réduisant la réabsorption du sodium et l'excrétion du potassium. Provera: L'acétate de médroxyprogestérone se lie aux récepteurs de la progestérone et exerce de puissants effets progestatifs : épaississement de la glaire cervicale, inhibition de l'ovulation, amincissement de l'endomètre et réd…
When Spironolactone is preferred
La spironolactone est autorisée dans l'insuffisance cardiaque à fraction d'éjection réduite, l'hyperaldostéronisme primaire, l'hypertension résistante, les œdèmes de la cirrhose ou du syndrome néphrotique, et certains états de fuite potassique.
When Provera is preferred
Provera est autorisé dans l'aménorrhée, les saignements utérins anormaux d'origine hormonale et la prévention de l'hyperplasie endométriale chez la femme ménopausée recevant un estrogène.
Questions fréquentes
Is Spironolactone or Provera better? ▾
Spironolactone and Provera 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 Spironolactone to Provera? ▾
Switching between Spironolactone and Provera 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 Spironolactone and Provera 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 Spironolactone 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.