Skip to content
Independent analysis of NHS open data
PharmaInsight

Oxcarbazepine vs Lamotrigine

National NHS prescribing compared (Prescription Cost Analysis)
Data updated April 2026

Lamotrigine was dispensed 33.7× as often as Oxcarbazepine in April 2026 — 384,650 items versus 11,428 in England.

11,428items

Oxcarbazepine · April 2026

NHSBSA Prescription Cost Analysis

384,650items

Lamotrigine · April 2026

NHSBSA Prescription Cost Analysis

Figure 1. Oxcarbazepine versus Lamotrigine: national items dispensed by month

▬ Oxcarbazepine   ·   ╌ Lamotrigine

0 199k 397k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 Apr 2026 Lamotrigine 11,428 Jan 2021: 9k Feb 2021: 9k Mar 2021: 10k Apr 2021: 10k May 2021: 9k Jun 2021: 10k Jul 2021: 10k Aug 2021: 9k Sep 2021: 10k Oct 2021: 10k Nov 2021: 10k Dec 2021: 10k Jan 2022: 10k Feb 2022: 9k Mar 2022: 10k Apr 2022: 10k May 2022: 10k Jun 2022: 10k Jul 2022: 10k Aug 2022: 10k Sep 2022: 10k Oct 2022: 10k Nov 2022: 10k Dec 2022: 11k Jan 2023: 10k Feb 2023: 9k Mar 2023: 11k Apr 2023: 9k May 2023: 10k Jun 2023: 11k Jul 2023: 10k Aug 2023: 10k Sep 2023: 10k Oct 2023: 11k Nov 2023: 11k Dec 2023: 10k Jan 2024: 10k Feb 2024: 10k Mar 2024: 11k Apr 2024: 11k May 2024: 11k Jun 2024: 10k Jul 2024: 11k Aug 2024: 11k Sep 2024: 10k Oct 2024: 11k Nov 2024: 11k Dec 2024: 11k Jan 2025: 11k Feb 2025: 10k Mar 2025: 11k Apr 2025: 11k May 2025: 11k Jun 2025: 11k Jul 2025: 12k Aug 2025: 11k Sep 2025: 11k Oct 2025: 12k Nov 2025: 11k Dec 2025: 12k Jan 2026: 12k Feb 2026: 11k Mar 2026: 12k Apr 2026: 11k

Source: NHSBSA Prescription Cost Analysis, to April 2026

Oxcarbazepine versus Lamotrigine, April 2026
Measure Oxcarbazepine Lamotrigine
Items, April 2026 11,428 384,650
Items, last 12 months 136,253 4,477,211
Net ingredient cost, April 2026 £345,925 £3,140,165

See the full profile for Oxcarbazepine or Lamotrigine.