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Independent analysis of NHS open data
PharmaInsight

Felbamate vs Sodium valproate

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

Sodium valproate was dispensed 81,547.0× as often as Felbamate in May 2026 — 163,094 items versus 2 in England.

2items

Felbamate · May 2026

NHSBSA Prescription Cost Analysis

163,094items

Sodium valproate · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Felbamate versus Sodium valproate: national items dispensed by month

▬ Felbamate   ·   ╌ Sodium valproate

0 103k 206k Jan 2021 Nov 2021 Aug 2022 Jun 2023 Apr 2024 Jan 2025 May 2026 Sodium valproate 2 Jan 2021: 4 Feb 2021: 6 Mar 2021: 6 May 2021: 3 Jun 2021: 5 Jul 2021: 6 Aug 2021: 5 Sep 2021: 4 Oct 2021: 4 Nov 2021: 4 Dec 2021: 3 Jan 2022: 2 Feb 2022: 5 Mar 2022: 2 Apr 2022: 2 May 2022: 7 Jun 2022: 1 Jul 2022: 2 Aug 2022: 13 Sep 2022: 4 Oct 2022: 6 Nov 2022: 4 Dec 2022: 3 Jan 2023: 1 Feb 2023: 7 Mar 2023: 2 Apr 2023: 1 Jun 2023: 5 Jul 2023: 2 Aug 2023: 21 Oct 2023: 1 Nov 2023: 5 Dec 2023: 3 Jan 2024: 1 Feb 2024: 3 Mar 2024: 21 Apr 2024: 4 May 2024: 4 Jun 2024: 2 Jul 2024: 4 Aug 2024: 7 Sep 2024: 3 Oct 2024: 7 Nov 2024: 8 Dec 2024: 4 Jan 2025: 6 Feb 2025: 1 Mar 2025: 3 Apr 2025: 4 May 2025: 5 Jun 2025: 7 Jul 2025: 4 Aug 2025: 4 Sep 2025: 4 Oct 2025: 5 Nov 2025: 6 Dec 2025: 6 Jan 2026: 3 Feb 2026: 3 Mar 2026: 5 Apr 2026: 1 May 2026: 2

Source: NHSBSA Prescription Cost Analysis, to May 2026

Felbamate versus Sodium valproate, May 2026
Measure Felbamate Sodium valproate
Items, May 2026 2 163,094
Items, last 12 months 50 2,058,845
Net ingredient cost, May 2026 £2,336 £2,585,679

See the full profile for Felbamate or Sodium valproate.