Voltaren vs Plan B: side-by-side comparison
Voltaren (Traitements de la douleur) 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 | Voltaren | Plan B |
|---|---|---|
| Active ingredient | Diclofenac | Levonorgestrel |
| Manufacturer | Novartis | Foundation Consumer Healthcare |
| Class | Traitements de la douleur | Hormones et contraception |
| Strengths | 25mg, 50mg, 75mg, 100mg | 1.5mg |
| Forms | tablet, delayed-release tablet, topical gel, suppository | tablet |
What's the same
Voltaren 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
Voltaren belongs to Traitements de la douleur 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
Voltaren: Le diclofénac inhibe de façon réversible les cyclo-oxygénases COX-1 et COX-2, avec une sélectivité pour la COX-2 un peu plus marquée que celle de l'ibuprofène et du naproxène. 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 Voltaren is preferred
Voltaren est autorisé chez l'adulte dans le traitement de l'arthrose, de la polyarthrite rhumatoïde, de la spondylarthrite ankylosante, des douleurs musculosquelettiques aiguës, des douleurs postopératoires, de la dysménorrhée primaire, de la crise de migraine et de la colique né…
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 Voltaren or Plan B better? ▾
Voltaren 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 Voltaren to Plan B? ▾
Switching between Voltaren 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 Voltaren 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 Voltaren 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.