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PharmaInsight

Lamotrigine vs Ethosuximide

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

Lamotrigine was dispensed 93.8× as often as Ethosuximide in March 2026 — 387,481 items versus 4,133 in England.

387,481items

Lamotrigine · March 2026

NHSBSA Prescription Cost Analysis

4,133items

Ethosuximide · March 2026

NHSBSA Prescription Cost Analysis

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

▬ Lamotrigine   ·   ╌ Ethosuximide

Ethosuximide 387,481

Source: NHSBSA Prescription Cost Analysis, to March 2026

Lamotrigine versus Ethosuximide, March 2026
Measure Lamotrigine Ethosuximide
Items, March 2026 387,481 4,133
Items, last 12 months 4,445,117 48,630
Net ingredient cost, March 2026 £3,241,810 £720,127

See the full profile for Lamotrigine or Ethosuximide.