Norvasc vs Aygestin: side-by-side comparison
Norvasc (Médicaments cardiovasculaires) and Aygestin (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 | Norvasc | Aygestin |
|---|---|---|
| Active ingredient | Amlodipine | Norethindrone |
| Manufacturer | Pfizer | Various generics |
| Class | Médicaments cardiovasculaires | Santé sexuelle féminine |
| Strengths | 2.5mg, 5mg, 10mg | 5mg |
| Forms | tablet | tablet |
What's the same
Norvasc and Aygestin 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
Norvasc belongs to Médicaments cardiovasculaires while Aygestin 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
Norvasc: L'amlodipine bloque sélectivement les canaux calciques de type L du muscle lisse vasculaire, réduisant l'entrée transmembranaire de calcium et produisant une vasodilatation artérielle périphérique. Aygestin: La noréthistérone se lie aux récepteurs de la progestérone et exerce des effets progestatifs : épaississement de la glaire cervicale, suppression du pic de LH, amincissement de l'endomètre et réduction de l'activité des…
When Norvasc is preferred
Norvasc est autorisé chez l'adulte dans le traitement de l'hypertension artérielle essentielle et de l'angor stable chronique, ainsi que dans l'angor vasospastique (de Prinzmetal).
When Aygestin is preferred
Aygestin est autorisé dans les douleurs associées à l'endométriose, les saignements utérins anormaux d'origine hormonale et l'aménorrhée secondaire.
Questions fréquentes
Is Norvasc or Aygestin better? ▾
Norvasc and Aygestin 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 Norvasc to Aygestin? ▾
Switching between Norvasc and Aygestin 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 Norvasc and Aygestin 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 Norvasc 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.