Augmentin vs Neurontin: side-by-side comparison
Augmentin (Antibiotics) and Neurontin (Neurological Medications) belong to different therapeutic classes and are rarely interchangeable. This page compares the medications' purposes, mechanisms and the situations where each is used.
| Property | Augmentin | Neurontin |
|---|---|---|
| Active ingredient | Amoxicillin, Clavulanate | Gabapentin |
| Manufacturer | GlaxoSmithKline | Pfizer |
| Class | Antibiotics | Neurological Medications |
| Strengths | 500/125mg, 875/125mg, 1000/62.5mg | 100mg, 300mg, 400mg, 600mg, 800mg |
| Forms | tablet, extended-release tablet, oral suspension, chewable tablet | capsule, tablet, oral solution |
What's the same
Augmentin and Neurontin 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
Augmentin belongs to Antibiotics while Neurontin belongs to Neurological Medications. 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
Augmentin: Amoxicillin inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs), but is hydrolysed by beta-lactamase enzymes produced by some resistant bacteria. Neurontin: Gabapentin binds the alpha-2-delta auxiliary subunit of voltage-gated calcium channels in the central nervous system, reducing presynaptic calcium influx and the release of excitatory neurotransmitters such as glutamate…
When Augmentin is preferred
Augmentin is approved in adults and children for the treatment of respiratory tract infections including acute otitis media, sinusitis, community-acquired pneumonia and acute exacerbations of chronic bronchitis, urinary tract infections, dental infections, skin and soft tissue in…
When Neurontin is preferred
Neurontin is approved in adults and children aged 3 years and older as adjunctive therapy for partial-onset seizures, and in adults for post-herpetic neuralgia.
Frequently asked questions
Is Augmentin or Neurontin better? ▾
Augmentin and Neurontin 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 Augmentin to Neurontin? ▾
Switching between Augmentin and Neurontin 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 Augmentin and Neurontin 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 Augmentin comparisons
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.