Neurontin vs Voltaren: side-by-side comparison
Neurontin (Neurologische Arzneimittel) and Voltaren (Schmerzmedikamente) 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 | Voltaren |
|---|---|---|
| Active ingredient | Gabapentin | Diclofenac |
| Manufacturer | Pfizer | Novartis |
| Class | Neurologische Arzneimittel | Schmerzmedikamente |
| Strengths | 100mg, 300mg, 400mg, 600mg, 800mg | 25mg, 50mg, 75mg, 100mg |
| Forms | capsule, tablet, oral solution | tablet, delayed-release tablet, topical gel, suppository |
What's the same
Neurontin and Voltaren 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 Voltaren belongs to Schmerzmedikamente. 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… Voltaren: Diclofenac hemmt reversibel die Cyclooxygenase-Enzyme COX-1 und COX-2, mit etwas stärkerer Selektivität für COX-2 als Ibuprofen und Naproxen.
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 Voltaren is preferred
Voltaren ist bei Erwachsenen zur Behandlung von Arthrose, rheumatoider Arthritis, ankylosierender Spondylitis, akuten muskuloskelettalen Schmerzen, postoperativen Schmerzen, primärer Dysmenorrhoe, akuter Migräne und Ureterkolik zugelassen.
Häufig gestellte Fragen
Is Neurontin or Voltaren better? ▾
Neurontin and Voltaren 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 Voltaren? ▾
Switching between Neurontin and Voltaren 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 Voltaren 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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