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PharmaInsight

Lamotrigine vs Phenobarbital sodium

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

Lamotrigine was dispensed 64,580.2× as often as Phenobarbital sodium in March 2026 — 387,481 items versus 6 in England.

387,481items

Lamotrigine · March 2026

NHSBSA Prescription Cost Analysis

6items

Phenobarbital sodium · March 2026

NHSBSA Prescription Cost Analysis

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

▬ Lamotrigine   ·   ╌ Phenobarbital sodium

Phenobarbital so… 387,481

Source: NHSBSA Prescription Cost Analysis, to March 2026

Lamotrigine versus Phenobarbital sodium, March 2026
Measure Lamotrigine Phenobarbital sodium
Items, March 2026 387,481 6
Items, last 12 months 4,445,117 159
Net ingredient cost, March 2026 £3,241,810 £1,412

See the full profile for Lamotrigine or Phenobarbital sodium.