Zonisamide vs Lamotrigine
National NHS prescribing compared (Prescription Cost Analysis)
Lamotrigine was dispensed 21.7× as often as Zonisamide in May 2026 — 376,214 items versus 17,329 in England.
17,329items
Zonisamide · May 2026
NHSBSA Prescription Cost Analysis
376,214items
Lamotrigine · May 2026
NHSBSA Prescription Cost Analysis
Figure 1. Zonisamide versus Lamotrigine: national items dispensed by month
▬ Zonisamide · ╌ Lamotrigine
Source: NHSBSA Prescription Cost Analysis, to May 2026
| Measure | Zonisamide | Lamotrigine |
|---|---|---|
| Items, May 2026 | 17,329 | 376,214 |
| Items, last 12 months | 212,121 | 4,485,415 |
| Net ingredient cost, May 2026 | £429,049 | £3,066,751 |
See the full profile for Zonisamide or Lamotrigine.