Caverject vs Plan B: side-by-side comparison
Caverject (Dysfonction érectile) and Plan B (Hormones et contraception) belong to different therapeutic classes and are rarely interchangeable. This page compares the medications' purposes, mechanisms and the situations where each is used.
| Property | Caverject | Plan B |
|---|---|---|
| Active ingredient | Alprostadil | Levonorgestrel |
| Manufacturer | Pfizer | Foundation Consumer Healthcare |
| Class | Dysfonction érectile | Hormones et contraception |
| Strengths | 10mcg, 20mcg, 40mcg | 1.5mg |
| Forms | injection | tablet |
What's the same
Caverject and Plan B 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
Caverject belongs to Dysfonction érectile while Plan B belongs to Hormones et contraception. 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
Caverject: L'alprostadil se lie aux récepteurs des prostaglandines E situés sur le muscle lisse du corps caverneux et déclenche, par la voie de l'AMP cyclique, un relâchement musculaire indépendant de la voie du monoxyde d'azote qu… Plan B: Le mécanisme principal de Plan B est le retard ou le blocage de l'ovulation lorsqu'il est pris avant le pic de LH.
When Caverject is preferred
Caverject est autorisé dans la dysfonction érectile d'origine vasculaire, neurogène, psychogène ou mixte chez l'homme adulte.
When Plan B is preferred
Plan B est indiqué en contraception d'urgence après un rapport non protégé ou un échec de contraception avéré ou suspecté, chez la femme en âge de procréer.
Questions fréquentes
Is Caverject or Plan B better? ▾
Caverject and Plan B 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 Caverject to Plan B? ▾
Switching between Caverject and Plan B 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 Caverject and Plan B 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 Caverject 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.