Lamotrigine vs Sodium valproate
National NHS prescribing compared (Prescription Cost Analysis)
Lamotrigine was dispensed 2.3× as often as Sodium valproate in March 2026 — 387,481 items versus 171,182 in England.
387,481items
Lamotrigine · March 2026
NHSBSA Prescription Cost Analysis
171,182items
Sodium valproate · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Lamotrigine versus Sodium valproate: national items dispensed by month
▬ Lamotrigine · ╌ Sodium valproate
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Lamotrigine | Sodium valproate |
|---|---|---|
| Items, March 2026 | 387,481 | 171,182 |
| Items, last 12 months | 4,445,117 | 2,078,747 |
| Net ingredient cost, March 2026 | £3,241,810 | £2,714,773 |
See the full profile for Lamotrigine or Sodium valproate.