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PharmaInsight

Lamotrigine vs Fosphenytoin sodium

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

Lamotrigine was dispensed 193,740.5× as often as Fosphenytoin sodium in March 2026 — 387,481 items versus 2 in England.

387,481items

Lamotrigine · March 2026

NHSBSA Prescription Cost Analysis

2items

Fosphenytoin sodium · March 2026

NHSBSA Prescription Cost Analysis

Figure 1. Lamotrigine versus Fosphenytoin sodium: national items dispensed by month

▬ Lamotrigine   ·   ╌ Fosphenytoin sodium

Fosphenytoin sod… 387,481

Source: NHSBSA Prescription Cost Analysis, to March 2026

Lamotrigine versus Fosphenytoin sodium, March 2026
Measure Lamotrigine Fosphenytoin sodium
Items, March 2026 387,481 2
Items, last 12 months 4,445,117 7
Net ingredient cost, March 2026 £3,241,810 £80

See the full profile for Lamotrigine or Fosphenytoin sodium.