Zonisamide vs Sodium valproate
National NHS prescribing compared (Prescription Cost Analysis)
Sodium valproate was dispensed 9.4× as often as Zonisamide in March 2026 — 171,182 items versus 18,207 in England.
18,207items
Zonisamide · March 2026
NHSBSA Prescription Cost Analysis
171,182items
Sodium valproate · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Zonisamide versus Sodium valproate: national items dispensed by month
▬ Zonisamide · ╌ Sodium valproate
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Zonisamide | Sodium valproate |
|---|---|---|
| Items, March 2026 | 18,207 | 171,182 |
| Items, last 12 months | 211,825 | 2,078,747 |
| Net ingredient cost, March 2026 | £463,524 | £2,714,773 |
See the full profile for Zonisamide or Sodium valproate.