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Independent analysis of NHS open data
PharmaInsight

Imipramine hydrochloride vs Mirtazapine

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

Mirtazapine was dispensed 158.2× as often as Imipramine hydrochloride in April 2026 — 1,172,069 items versus 7,410 in England.

7,410items

Imipramine hydrochloride · April 2026

NHSBSA Prescription Cost Analysis

1,172,069items

Mirtazapine · April 2026

NHSBSA Prescription Cost Analysis

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

▬ Imipramine hydrochloride   ·   ╌ Mirtazapine

0 609k 1.2m Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 Apr 2026 Mirtazapine 7,410 Jan 2021: 11k Feb 2021: 10k Mar 2021: 11k Apr 2021: 10k May 2021: 10k Jun 2021: 10k Jul 2021: 11k Aug 2021: 10k Sep 2021: 10k Oct 2021: 10k Nov 2021: 10k Dec 2021: 11k Jan 2022: 10k Feb 2022: 9k Mar 2022: 10k Apr 2022: 10k May 2022: 10k Jun 2022: 10k Jul 2022: 9k Aug 2022: 10k Sep 2022: 10k Oct 2022: 9k Nov 2022: 10k Dec 2022: 9k Jan 2023: 9k Feb 2023: 9k Mar 2023: 10k Apr 2023: 9k May 2023: 9k Jun 2023: 9k Jul 2023: 9k Aug 2023: 9k Sep 2023: 9k Oct 2023: 9k Nov 2023: 9k Dec 2023: 9k Jan 2024: 9k Feb 2024: 9k Mar 2024: 9k Apr 2024: 9k May 2024: 9k Jun 2024: 8k Jul 2024: 9k Aug 2024: 8k Sep 2024: 8k Oct 2024: 9k Nov 2024: 8k Dec 2024: 9k Jan 2025: 9k Feb 2025: 8k Mar 2025: 8k Apr 2025: 8k May 2025: 9k Jun 2025: 8k Jul 2025: 8k Aug 2025: 8k Sep 2025: 8k Oct 2025: 8k Nov 2025: 8k Dec 2025: 8k Jan 2026: 8k Feb 2026: 7k Mar 2026: 8k Apr 2026: 7k

Source: NHSBSA Prescription Cost Analysis, to April 2026

Imipramine hydrochloride versus Mirtazapine, April 2026
Measure Imipramine hydrochloride Mirtazapine
Items, April 2026 7,410 1,172,069
Items, last 12 months 94,747 13,847,196
Net ingredient cost, April 2026 £66,118 £1,117,284

See the full profile for Imipramine hydrochloride or Mirtazapine.