Neurontin vs Viagra Professional: side-by-side comparison
Neurontin (Neurologische Arzneimittel) and Viagra Professional (Erektile Dysfunktion (ED)) belong to different therapeutic classes and are rarely interchangeable. This page compares the medications' purposes, mechanisms and the situations where each is used.
| Property | Neurontin | Viagra Professional |
|---|---|---|
| Active ingredient | Gabapentin | Sildenafil Citrate |
| Manufacturer | Pfizer | Pfizer |
| Class | Neurologische Arzneimittel | Erektile Dysfunktion (ED) |
| Strengths | 100mg, 300mg, 400mg, 600mg, 800mg | 100mg |
| Forms | capsule, tablet, oral solution | sublingual tablet |
What's the same
Neurontin and Viagra Professional 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
Neurontin belongs to Neurologische Arzneimittel while Viagra Professional belongs to Erektile Dysfunktion (ED). 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
Neurontin: Gabapentin bindet an die Alpha-2-Delta-Hilfsuntereinheit spannungsabhängiger Calciumkanäle im zentralen Nervensystem und reduziert dadurch den präsynaptischen Calciumeinstrom sowie die Freisetzung exzitatorischer Neurotr… Viagra Professional: Sildenafilcitrat hemmt die PDE5, sodass das während der sexuellen Erregung produzierte zyklische GMP im Penisgewebe akkumulieren kann, was die glatte Muskulatur der Penisarterien entspannt und den Bluteinstrom erhöht.
When Neurontin is preferred
Neurontin ist bei Erwachsenen und Kindern ab drei Jahren zur Zusatztherapie fokaler Anfälle und bei Erwachsenen zur Behandlung der postherpetischen Neuralgie zugelassen.
When Viagra Professional is preferred
Viagra Professional ist für erwachsene Männer mit erektiler Dysfunktion bestimmt.
Häufig gestellte Fragen
Is Neurontin or Viagra Professional better? ▾
Neurontin and Viagra Professional 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 Neurontin to Viagra Professional? ▾
Switching between Neurontin and Viagra Professional 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 Neurontin and Viagra Professional 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 Neurontin comparisons
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