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PharmaInsight

Sodium valproate vs Phenytoin

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

Sodium valproate was dispensed 161.2× as often as Phenytoin in March 2026 — 171,182 items versus 1,062 in England.

171,182items

Sodium valproate · March 2026

NHSBSA Prescription Cost Analysis

1,062items

Phenytoin · March 2026

NHSBSA Prescription Cost Analysis

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

▬ Sodium valproate   ·   ╌ Phenytoin

Phenytoin 171,182

Source: NHSBSA Prescription Cost Analysis, to March 2026

Sodium valproate versus Phenytoin, March 2026
Measure Sodium valproate Phenytoin
Items, March 2026 171,182 1,062
Items, last 12 months 2,078,747 13,675
Net ingredient cost, March 2026 £2,714,773 £12,706

See the full profile for Sodium valproate or Phenytoin.