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Isosorbide mononitrate vs Diltiazem hydrochloride

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

Isosorbide mononitrate was dispensed 2.4× as often as Diltiazem hydrochloride in March 2026 — 386,510 items versus 161,991 in England.

386,510items

Isosorbide mononitrate · March 2026

NHSBSA Prescription Cost Analysis

161,991items

Diltiazem hydrochloride · March 2026

NHSBSA Prescription Cost Analysis

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

▬ Isosorbide mononitrate   ·   ╌ Diltiazem hydrochloride

Diltiazem hydroc… 386,510

Source: NHSBSA Prescription Cost Analysis, to March 2026

Isosorbide mononitrate versus Diltiazem hydrochloride, March 2026
Measure Isosorbide mononitrate Diltiazem hydrochloride
Items, March 2026 386,510 161,991
Items, last 12 months 4,566,095 1,961,244
Net ingredient cost, March 2026 £1,904,656 £1,329,603

See the full profile for Isosorbide mononitrate or Diltiazem hydrochloride.