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PharmaInsight

Clonazepam vs Sodium valproate

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

Sodium valproate was dispensed 1.9× as often as Clonazepam in March 2026 — 171,182 items versus 91,533 in England.

91,533items

Clonazepam · March 2026

NHSBSA Prescription Cost Analysis

171,182items

Sodium valproate · March 2026

NHSBSA Prescription Cost Analysis

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

▬ Clonazepam   ·   ╌ Sodium valproate

Sodium valproate 91,533

Source: NHSBSA Prescription Cost Analysis, to March 2026

Clonazepam versus Sodium valproate, March 2026
Measure Clonazepam Sodium valproate
Items, March 2026 91,533 171,182
Items, last 12 months 1,082,570 2,078,747
Net ingredient cost, March 2026 £318,616 £2,714,773

See the full profile for Clonazepam or Sodium valproate.