Lamotrigine vs Sodium valproate
National NHS prescribing compared (Prescription Cost Analysis)
Lamotrigine was dispensed 2.3× as often as Sodium valproate in May 2026 — 376,214 items versus 163,094 in England.
376,214items
Lamotrigine · May 2026
NHSBSA Prescription Cost Analysis
163,094items
Sodium valproate · May 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 May 2026
| Measure | Lamotrigine | Sodium valproate |
|---|---|---|
| Items, May 2026 | 376,214 | 163,094 |
| Items, last 12 months | 4,485,415 | 2,058,845 |
| Net ingredient cost, May 2026 | £3,066,751 | £2,585,679 |
See the full profile for Lamotrigine or Sodium valproate.