Acyclovir vs Lasix: side-by-side comparison
Acyclovir (Antiviraux) and Lasix (Diurétiques) belong to different therapeutic classes and are rarely interchangeable. This page compares the medications' purposes, mechanisms and the situations where each is used.
| Property | Acyclovir | Lasix |
|---|---|---|
| Active ingredient | Acyclovir | Furosemide |
| Manufacturer | Various | Sanofi |
| Class | Antiviraux | Diurétiques |
| Strengths | 200mg, 400mg, 800mg | 20mg, 40mg, 100mg |
| Forms | tablet, capsule, oral suspension, topical cream | tablet |
What's the same
Acyclovir and Lasix 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
Acyclovir belongs to Antiviraux while Lasix belongs to Diurétiques. 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
Acyclovir: L'aciclovir est un analogue de la guanosine phosphorylé sélectivement par la thymidine kinase virale en monophosphate, puis par les kinases cellulaires en aciclovir triphosphate. Lasix: Lasix agit au niveau de l'anse de Henle, où il bloque le cotransporteur NKCC2 qui réabsorbe normalement le sodium, le chlore et le potassium depuis l'urine vers la circulation sanguine.
When Acyclovir is preferred
L'aciclovir est autorisé chez l'adulte et l'enfant dans le traitement des infections à herpès simplex, dont l'herpès génital (épisodes initiaux et récurrents), le traitement suppressif de l'herpès génital récidivant, l'herpès labial, l'herpès cutanéo-muqueux chez l'immunodéprimé…
When Lasix is preferred
Lasix est autorisé dans la surcharge hydrosodée liée à l'insuffisance cardiaque, à la maladie rénale chronique et à la cirrhose (avec ou sans ascite), ainsi que dans l'œdème aigu du poumon.
Questions fréquentes
Is Acyclovir or Lasix better? ▾
Acyclovir and Lasix 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 Acyclovir to Lasix? ▾
Switching between Acyclovir and Lasix 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 Acyclovir and Lasix 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 Acyclovir 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.