Zonisamide vs Lamotrigine
National NHS prescribing compared (Prescription Cost Analysis)
Lamotrigine was dispensed 21.3× as often as Zonisamide in March 2026 — 387,481 items versus 18,207 in England.
18,207items
Zonisamide · March 2026
NHSBSA Prescription Cost Analysis
387,481items
Lamotrigine · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Zonisamide versus Lamotrigine: national items dispensed by month
▬ Zonisamide · ╌ Lamotrigine
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Zonisamide | Lamotrigine |
|---|---|---|
| Items, March 2026 | 18,207 | 387,481 |
| Items, last 12 months | 211,825 | 4,445,117 |
| Net ingredient cost, March 2026 | £463,524 | £3,241,810 |
See the full profile for Zonisamide or Lamotrigine.