Gabapentin Pregabalin Conversion — FRCA Final MCQ

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ModeratePain MedicineGabapentin Pregabalin ConversionFRCA Final

Gabapentin to pregabalin conversion ratio is approximately:

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Correct answer: E — 2:1

Gabapentin 900 mg/day ≈ pregabalin 150 mg/day (6:1 ratio). Pregabalin has superior bioavailability (~90% vs 30-60% for gabapentin).

Reference: BNF – 2025; Faculty of Pain Medicine – 2021