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PharmaInsight

Lamotrigine vs Phenytoin

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

Lamotrigine was dispensed 364.9× as often as Phenytoin in March 2026 — 387,481 items versus 1,062 in England.

387,481items

Lamotrigine · March 2026

NHSBSA Prescription Cost Analysis

1,062items

Phenytoin · March 2026

NHSBSA Prescription Cost Analysis

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

▬ Lamotrigine   ·   ╌ Phenytoin

Phenytoin 387,481

Source: NHSBSA Prescription Cost Analysis, to March 2026

Lamotrigine versus Phenytoin, March 2026
Measure Lamotrigine Phenytoin
Items, March 2026 387,481 1,062
Items, last 12 months 4,445,117 13,675
Net ingredient cost, March 2026 £3,241,810 £12,706

See the full profile for Lamotrigine or Phenytoin.