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PharmaInsight

Phenobarbital sodium vs Sodium valproate

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

Sodium valproate was dispensed 28,530.3× as often as Phenobarbital sodium in March 2026 — 171,182 items versus 6 in England.

6items

Phenobarbital sodium · March 2026

NHSBSA Prescription Cost Analysis

171,182items

Sodium valproate · March 2026

NHSBSA Prescription Cost Analysis

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

▬ Phenobarbital sodium   ·   ╌ Sodium valproate

Sodium valproate 6

Source: NHSBSA Prescription Cost Analysis, to March 2026

Phenobarbital sodium versus Sodium valproate, March 2026
Measure Phenobarbital sodium Sodium valproate
Items, March 2026 6 171,182
Items, last 12 months 159 2,078,747
Net ingredient cost, March 2026 £1,412 £2,714,773

See the full profile for Phenobarbital sodium or Sodium valproate.