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PharmaInsight

Gabapentin vs Phenytoin

National NHS prescribing compared (Prescription Cost Analysis)
Data updated March 2026

Gabapentin was dispensed 582.2× as often as Phenytoin in March 2026 — 618,320 items versus 1,062 in England.

618,320items

Gabapentin · March 2026

NHSBSA Prescription Cost Analysis

1,062items

Phenytoin · March 2026

NHSBSA Prescription Cost Analysis

Figure 1. Gabapentin versus Phenytoin: national items dispensed by month

▬ Gabapentin   ·   ╌ Phenytoin

Phenytoin 618,320

Source: NHSBSA Prescription Cost Analysis, to March 2026

Gabapentin versus Phenytoin, March 2026
Measure Gabapentin Phenytoin
Items, March 2026 618,320 1,062
Items, last 12 months 7,359,436 13,675
Net ingredient cost, March 2026 £1,365,791 £12,706

See the full profile for Gabapentin or Phenytoin.