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Independent analysis of NHS open data
PharmaInsight

Magnesium trisilicate vs Simeticone

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

Simeticone was dispensed 115.6× as often as Magnesium trisilicate in April 2026 — 1,040 items versus 9 in England.

9items

Magnesium trisilicate · April 2026

NHSBSA Prescription Cost Analysis

1,040items

Simeticone · April 2026

NHSBSA Prescription Cost Analysis

Figure 1. Magnesium trisilicate versus Simeticone: national items dispensed by month

▬ Magnesium trisilicate   ·   ╌ Simeticone

0 1k 2k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 Apr 2026 Simeticone 9 Jan 2021: 249 Feb 2021: 237 Mar 2021: 244 Apr 2021: 238 May 2021: 209 Jun 2021: 195 Jul 2021: 199 Aug 2021: 161 Sep 2021: 187 Oct 2021: 136 Nov 2021: 207 Dec 2021: 166 Jan 2022: 131 Feb 2022: 167 Mar 2022: 180 Apr 2022: 152 May 2022: 142 Jun 2022: 153 Jul 2022: 153 Aug 2022: 138 Sep 2022: 156 Oct 2022: 149 Nov 2022: 139 Dec 2022: 138 Jan 2023: 136 Feb 2023: 130 Mar 2023: 131 Apr 2023: 118 May 2023: 144 Jun 2023: 117 Jul 2023: 106 Aug 2023: 88 Sep 2023: 87 Oct 2023: 78 Nov 2023: 73 Dec 2023: 76 Jan 2024: 71 Feb 2024: 50 Mar 2024: 60 Apr 2024: 57 May 2024: 50 Jun 2024: 52 Jul 2024: 46 Aug 2024: 49 Sep 2024: 40 Oct 2024: 39 Nov 2024: 36 Dec 2024: 34 Jan 2025: 42 Feb 2025: 24 Mar 2025: 11 Apr 2025: 8 May 2025: 29 Jun 2025: 19 Jul 2025: 21 Aug 2025: 16 Sep 2025: 33 Oct 2025: 14 Nov 2025: 11 Dec 2025: 13 Jan 2026: 17 Feb 2026: 23 Mar 2026: 13 Apr 2026: 9

Source: NHSBSA Prescription Cost Analysis, to April 2026

Magnesium trisilicate versus Simeticone, April 2026
Measure Magnesium trisilicate Simeticone
Items, April 2026 9 1,040
Items, last 12 months 218 13,753
Net ingredient cost, April 2026 £389 £9,334

See the full profile for Magnesium trisilicate or Simeticone.