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Independent analysis of NHS open data
PharmaInsight

Dosulepin hydrochloride vs Mirtazapine

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

Mirtazapine was dispensed 56.9× as often as Dosulepin hydrochloride in May 2026 — 1,137,415 items versus 20,001 in England.

20,001items

Dosulepin hydrochloride · May 2026

NHSBSA Prescription Cost Analysis

1,137,415items

Mirtazapine · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Dosulepin hydrochloride versus Mirtazapine: national items dispensed by month

▬ Dosulepin hydrochloride   ·   ╌ Mirtazapine

0 609k 1.2m Jan 2021 Dec 2021 Oct 2022 Aug 2023 Jun 2024 Apr 2025 May 2026 Mirtazapine 20,001 Jan 2021: 38k Feb 2021: 35k Apr 2021: 38k May 2021: 35k Jun 2021: 37k Jul 2021: 37k Aug 2021: 35k Sep 2021: 36k Oct 2021: 34k Nov 2021: 35k Dec 2021: 37k Jan 2022: 34k Feb 2022: 31k Mar 2022: 35k Apr 2022: 33k May 2022: 33k Jun 2022: 32k Jul 2022: 32k Aug 2022: 32k Sep 2022: 31k Oct 2022: 31k Nov 2022: 31k Dec 2022: 31k Jan 2023: 31k Feb 2023: 28k Mar 2023: 31k Apr 2023: 28k May 2023: 29k Jun 2023: 29k Jul 2023: 28k Aug 2023: 29k Sep 2023: 28k Oct 2023: 28k Nov 2023: 28k Dec 2023: 27k Jan 2024: 27k Feb 2024: 26k Mar 2024: 26k Apr 2024: 26k May 2024: 27k Jun 2024: 25k Jul 2024: 27k Aug 2024: 25k Sep 2024: 24k Oct 2024: 25k Nov 2024: 24k Dec 2024: 25k Jan 2025: 25k Feb 2025: 22k Mar 2025: 23k Apr 2025: 23k May 2025: 24k Jun 2025: 22k Jul 2025: 24k Aug 2025: 21k Sep 2025: 22k Oct 2025: 23k Nov 2025: 21k Dec 2025: 23k Jan 2026: 21k Feb 2026: 20k Mar 2026: 21k Apr 2026: 21k May 2026: 20k

Source: NHSBSA Prescription Cost Analysis, to May 2026

Dosulepin hydrochloride versus Mirtazapine, May 2026
Measure Dosulepin hydrochloride Mirtazapine
Items, May 2026 20,001 1,137,415
Items, last 12 months 258,969 13,842,931
Net ingredient cost, May 2026 £270,675 £1,218,242

See the full profile for Dosulepin hydrochloride or Mirtazapine.