Diflucan vs Acyclovir: side-by-side comparison
Diflucan (Antimykotika) and Acyclovir (Antivirale Arzneimittel) belong to different therapeutic classes and are rarely interchangeable. This page compares the medications' purposes, mechanisms and the situations where each is used.
| Property | Diflucan | Acyclovir |
|---|---|---|
| Active ingredient | Fluconazole | Acyclovir |
| Manufacturer | Pfizer | Various |
| Class | Antimykotika | Antivirale Arzneimittel |
| Strengths | 50mg, 100mg, 150mg, 200mg | 200mg, 400mg, 800mg |
| Forms | capsule, oral suspension | tablet, capsule, oral suspension, topical cream |
What's the same
Diflucan and Acyclovir 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
Diflucan belongs to Antimykotika while Acyclovir belongs to Antivirale Arzneimittel. 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
Diflucan: Fluconazol ist ein Triazol-Antimykotikum, das das Cytochrom-P450-abhängige Enzym Lanosterol-14-alpha-Demethylase hemmt und dadurch die Synthese von Ergosterol aus Lanosterol blockiert. Acyclovir: Aciclovir ist ein Guanosin-Analogon, das durch die virale Thymidinkinase selektiv zur Monophosphat-Form und anschließend durch zelluläre Kinasen zu Aciclovir-Triphosphat phosphoryliert wird.
When Diflucan is preferred
Diflucan ist bei Erwachsenen und Kindern zur Behandlung der vulvovaginalen, oropharyngealen und ösophagealen Candidose, der Harnwegs-Candidose, der Peritonitis und anderer invasiver Candidosen durch empfindliche Spezies einschließlich Candidämie sowie der Kryptokokkenmeningitis (…
When Acyclovir is preferred
Aciclovir ist bei Erwachsenen und Kindern zur Behandlung von Herpes-simplex-Virusinfektionen zugelassen, einschließlich Genitalherpes (Erst- und Rezidivepisoden), Suppressionstherapie bei rezidivierendem Genitalherpes, Herpes labialis, mukokutanem Herpes simplex bei immunsupprimi…
Häufig gestellte Fragen
Is Diflucan or Acyclovir better? ▾
Diflucan and Acyclovir 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 Diflucan to Acyclovir? ▾
Switching between Diflucan and Acyclovir 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 Diflucan and Acyclovir have the same side effects? ▾
No — they belong to different classes and have distinct side-effect profiles. Each medication has its own prescribing information.
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