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Independent analysis of NHS open data
PharmaInsight

Eszopiclone vs Zopiclone

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

Zopiclone was dispensed 10,431.6× as often as Eszopiclone in May 2026 — 312,949 items versus 30 in England.

30items

Eszopiclone · May 2026

NHSBSA Prescription Cost Analysis

312,949items

Zopiclone · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Eszopiclone versus Zopiclone: national items dispensed by month

▬ Eszopiclone   ·   ╌ Zopiclone

0 220k 441k Jul 2025 Sep 2025 Nov 2025 Jan 2026 Mar 2026 May 2026 Zopiclone 30 Jul 2025: 16 Aug 2025: 13 Sep 2025: 13 Oct 2025: 15 Nov 2025: 15 Dec 2025: 39 Jan 2026: 40 Feb 2026: 45 Mar 2026: 34 Apr 2026: 40 May 2026: 30

Source: NHSBSA Prescription Cost Analysis, to May 2026

Eszopiclone versus Zopiclone, May 2026
Measure Eszopiclone Zopiclone
Items, May 2026 30 312,949
Items, last 12 months 300 4,053,804
Net ingredient cost, May 2026 £104 £147,665

See the full profile for Eszopiclone or Zopiclone.