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Independent analysis of NHS open data
PharmaInsight

Isosorbide mononitrate vs Amlodipine

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

Amlodipine was dispensed 9.3× as often as Isosorbide mononitrate in May 2026 — 3,414,766 items versus 368,947 in England.

368,947items

Isosorbide mononitrate · May 2026

NHSBSA Prescription Cost Analysis

3,414,766items

Amlodipine · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Isosorbide mononitrate versus Amlodipine: national items dispensed by month

▬ Isosorbide mononitrate   ·   ╌ Amlodipine

0 1.8m 3.6m Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 Amlodipine 368,947 Jan 2021: 365k Feb 2021: 343k Mar 2021: 384k Apr 2021: 371k May 2021: 353k Jun 2021: 378k Jul 2021: 377k Aug 2021: 363k Sep 2021: 375k Oct 2021: 359k Nov 2021: 372k Dec 2021: 389k Jan 2022: 365k Feb 2022: 342k Mar 2022: 384k Apr 2022: 363k May 2022: 377k Jun 2022: 365k Jul 2022: 364k Aug 2022: 376k Sep 2022: 370k Oct 2022: 366k Nov 2022: 374k Dec 2022: 377k Jan 2023: 370k Feb 2023: 342k Mar 2023: 389k Apr 2023: 349k May 2023: 373k Jun 2023: 376k Jul 2023: 366k Aug 2023: 382k Sep 2023: 372k Oct 2023: 377k Nov 2023: 378k Dec 2023: 374k Jan 2024: 382k Feb 2024: 355k Mar 2024: 366k Apr 2024: 384k May 2024: 385k Jun 2024: 366k Jul 2024: 394k Aug 2024: 380k Sep 2024: 369k Oct 2024: 389k Nov 2024: 378k Dec 2024: 388k Jan 2025: 390k Feb 2025: 354k Mar 2025: 369k Apr 2025: 381k May 2025: 386k Jun 2025: 373k Jul 2025: 397k Aug 2025: 366k Sep 2025: 384k Oct 2025: 394k Nov 2025: 362k Dec 2025: 401k Jan 2026: 383k Feb 2026: 353k Mar 2026: 387k Apr 2026: 380k May 2026: 369k

Source: NHSBSA Prescription Cost Analysis, to May 2026

Isosorbide mononitrate versus Amlodipine, May 2026
Measure Isosorbide mononitrate Amlodipine
Items, May 2026 368,947 3,414,766
Items, last 12 months 4,548,064 41,247,352
Net ingredient cost, May 2026 £1,855,045 £2,823,481

See the full profile for Isosorbide mononitrate or Amlodipine.