Lamotrigine vs Phenytoin sodium
National NHS prescribing compared (Prescription Cost Analysis)
Lamotrigine was dispensed 10.6× as often as Phenytoin sodium in March 2026 — 387,481 items versus 36,609 in England.
387,481items
Lamotrigine · March 2026
NHSBSA Prescription Cost Analysis
36,609items
Phenytoin sodium · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Lamotrigine versus Phenytoin sodium: national items dispensed by month
▬ Lamotrigine · ╌ Phenytoin sodium
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Lamotrigine | Phenytoin sodium |
|---|---|---|
| Items, March 2026 | 387,481 | 36,609 |
| Items, last 12 months | 4,445,117 | 450,748 |
| Net ingredient cost, March 2026 | £3,241,810 | £428,961 |
See the full profile for Lamotrigine or Phenytoin sodium.