Valproic acid

National NHS prescribing (Prescription Cost Analysis) · Antiepileptic drugs

Data updated March 2026

Valproic acid was ranked 868th of 1,794 medicines by items in March 2026, with 1,175 items, up 8.8% on a year earlier.

1,175items

Dispensed in March 2026

NHSBSA Prescription Cost Analysis

£21,200

Net ingredient cost · March 2026

NHSBSA PCA

13,727items

Dispensed in the last 12 months

NHSBSA PCA

Figure 1. Valproic acid: national items dispensed by month

Source: NHSBSA Prescription Cost Analysis, to March 2026

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Top presentations, March 2026

The individual products dispensed under Valproic acid, by items this month.

Presentations of Valproic acid, March 2026
Presentation	Items	Net ingredient cost
Convulex 500mg gastro-resistant capsules	697	£9,447
Convulex 300mg gastro-resistant capsules	315	£3,741
Convulex 150mg gastro-resistant capsules	156	£840
Valproic acid 500mg/5ml oral liquid	7	£7,172

Compare Valproic acid with

Other medicines in the same BNF section, by prescribing volume.