Skip to content
Independent analysis of NHS open data
PharmaInsight

Carbamazepine vs Sodium valproate

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

Carbamazepine and Sodium valproate were dispensed at a similar rate in April 2026 (166,142 versus 168,875 items in England).

166,142items

Carbamazepine · April 2026

NHSBSA Prescription Cost Analysis

168,875items

Sodium valproate · April 2026

NHSBSA Prescription Cost Analysis

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

▬ Carbamazepine   ·   ╌ Sodium valproate

0 103k 206k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 Apr 2026 Sodium valproate 166,142 Jan 2021: 181k Feb 2021: 170k Mar 2021: 188k Apr 2021: 182k May 2021: 175k Jun 2021: 184k Jul 2021: 184k Aug 2021: 176k Sep 2021: 182k Oct 2021: 175k Nov 2021: 183k Dec 2021: 189k Jan 2022: 178k Feb 2022: 166k Mar 2022: 185k Apr 2022: 174k May 2022: 181k Jun 2022: 178k Jul 2022: 176k Aug 2022: 180k Sep 2022: 177k Oct 2022: 176k Nov 2022: 179k Dec 2022: 180k Jan 2023: 177k Feb 2023: 163k Mar 2023: 185k Apr 2023: 166k May 2023: 177k Jun 2023: 179k Jul 2023: 174k Aug 2023: 174k Sep 2023: 169k Oct 2023: 174k Nov 2023: 181k Dec 2023: 177k Jan 2024: 174k Feb 2024: 176k Mar 2024: 176k Apr 2024: 180k May 2024: 181k Jun 2024: 170k Jul 2024: 183k Aug 2024: 174k Sep 2024: 168k Oct 2024: 177k Nov 2024: 168k Dec 2024: 174k Jan 2025: 176k Feb 2025: 157k Mar 2025: 165k Apr 2025: 167k May 2025: 171k Jun 2025: 166k Jul 2025: 177k Aug 2025: 161k Sep 2025: 171k Oct 2025: 175k Nov 2025: 161k Dec 2025: 178k Jan 2026: 169k Feb 2026: 155k Mar 2026: 169k Apr 2026: 166k

Source: NHSBSA Prescription Cost Analysis, to April 2026

Carbamazepine versus Sodium valproate, April 2026
Measure Carbamazepine Sodium valproate
Items, April 2026 166,142 168,875
Items, last 12 months 2,019,976 2,074,346
Net ingredient cost, April 2026 £1,054,046 £2,668,018

See the full profile for Carbamazepine or Sodium valproate.