Topiramate vs Lamotrigine
National NHS prescribing compared (Prescription Cost Analysis)
Lamotrigine was dispensed 4.0× as often as Topiramate in March 2026 — 387,481 items versus 96,523 in England.
96,523items
Topiramate · March 2026
NHSBSA Prescription Cost Analysis
387,481items
Lamotrigine · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Topiramate versus Lamotrigine: national items dispensed by month
▬ Topiramate · ╌ Lamotrigine
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Topiramate | Lamotrigine |
|---|---|---|
| Items, March 2026 | 96,523 | 387,481 |
| Items, last 12 months | 1,149,298 | 4,445,117 |
| Net ingredient cost, March 2026 | £1,027,948 | £3,241,810 |
See the full profile for Topiramate or Lamotrigine.