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Gabapentin

Brand: Neurontin (US/EU) / Gabastar (IN) / Gabamax (BD)
Neurological Anti-epileptic / Neuropathic pain

Chemistry

Molecular Formula C9H17NO2
PubChem CID: 3446
Open in PubChem
Structure
structure

Pharmacokinetics

Half-life 6 hours
Tmax 3 h
Bioavailability 60 % (approx)
Protein Binding 0 %
Volume of Distribution 0.6 L/kg (approx)
Clearance Route renal
Active Metabolites no
Notes Absorption saturable—bioavailability decreases with higher doses.

⚠️ Safety & Warnings

Severity: Moderate

Adverse Effects:
Sedation, dizziness, peripheral edema

Contraindications:
Severe renal failure

Precautions:
Reduce dose in renal impairment; avoid alcohol/CNS depressants