Topiramate vs Lamotrigine
National NHS prescribing compared (Prescription Cost Analysis)
Lamotrigine was dispensed 4.1× as often as Topiramate in May 2026 — 376,214 items versus 91,872 in England.
91,872items
Topiramate · May 2026
NHSBSA Prescription Cost Analysis
376,214items
Lamotrigine · May 2026
NHSBSA Prescription Cost Analysis
Figure 1. Topiramate versus Lamotrigine: national items dispensed by month
▬ Topiramate · ╌ Lamotrigine
Source: NHSBSA Prescription Cost Analysis, to May 2026
| Measure | Topiramate | Lamotrigine |
|---|---|---|
| Items, May 2026 | 91,872 | 376,214 |
| Items, last 12 months | 1,144,017 | 4,485,415 |
| Net ingredient cost, May 2026 | £946,679 | £3,066,751 |
See the full profile for Topiramate or Lamotrigine.