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Independent analysis of NHS open data
PharmaInsight

Magnesium oxide

Gastro-Intestinal System Dyspepsia and gastro-oesophageal reflux disease BNF 0101010I0
Data updated April 2026 Download CSV

Magnesium oxide was ranked 1058th of 1,792 medicines by items in April 2026, with 329 items, down 4.1% on a year earlier.

329items -4.1%

Dispensed in April 2026

3,949items

Rolling 12 months

£29,622

Net ingredient cost · April 2026

Figure 1. Magnesium oxide: national items dispensed by month

0 211.5 423 Jan 2021 Oct 2021 Jul 2022 May 2023 Feb 2024 Nov 2024 Apr 2026 329 Jan 2021: 368 Feb 2021: 347 Mar 2021: 422 Apr 2021: 362 May 2021: 344 Jun 2021: 369 Jul 2021: 386 Aug 2021: 374 Sep 2021: 364 Oct 2021: 371 Nov 2021: 333 Dec 2021: 361 Jan 2022: 374 Feb 2022: 364 Mar 2022: 385 Apr 2022: 386 May 2022: 391 Jun 2022: 359 Jul 2022: 372 Aug 2022: 365 Sep 2022: 370 Oct 2022: 349 Dec 2022: 347 Jan 2023: 361 Feb 2023: 354 Mar 2023: 371 Apr 2023: 358 May 2023: 414 Jun 2023: 369 Jul 2023: 364 Aug 2023: 375 Sep 2023: 352 Oct 2023: 372 Nov 2023: 368 Dec 2023: 352 Jan 2024: 396 Feb 2024: 374 Mar 2024: 345 Apr 2024: 423 May 2024: 357 Jun 2024: 330 Jul 2024: 368 Aug 2024: 412 Sep 2024: 329 Oct 2024: 369 Nov 2024: 347 Dec 2024: 400 Jan 2025: 372 Feb 2025: 321 Mar 2025: 347 Apr 2025: 343 May 2025: 324 Jun 2025: 359 Jul 2025: 396 Aug 2025: 346 Sep 2025: 370 Oct 2025: 381 Nov 2025: 355 Dec 2025: 381 Jan 2026: 352 Feb 2026: 322 Mar 2026: 358 Apr 2026: 329

Source: NHSBSA Prescription Cost Analysis, to April 2026

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At a glance

  • Therapeutic class Dyspepsia and gastro-oesophageal reflux disease
  • Presentations 15 shown
  • Average cost / item £90.04
  • Year on year Down 4.1% on a year earlier
What this is
Net ingredient cost is the list price before discounts and dispensing fees, not what the NHS finally pays.

Top presentations, April 2026

The individual products dispensed under Magnesium oxide this month.

Presentations of Magnesium oxide, April 2026
Presentation BNF code Items Net ingredient cost
Magnesium oxide 160mg capsules 0101010I0AAACAC 66 £7,620
Magdose 100mg tablets 0101010I0BFAAAE 37 £3,130
Magdose 500mg capsules 0101010I0BFAEAY 37 £2,900
Oromag 160 capsules 0101010I0BEAAAC 35 £2,739
Magdose 100mg capsules 0101010I0BFABAB 35 £2,110
Magdose 160mg tablets 0101010I0BFACAL 24 £1,601
Magdose 160mg capsules 0101010I0BFADAC 20 £1,494
MagnEss 500mg capsules 0101010I0BHACAY 18 £770
Magnesium oxide 500mg capsules 0101010I0AAAYAY 13 £344
Magdose 400mg tablets 0101010I0BFAFBI 10 £720
AdMag 100mg tablets 0101010I0BMACAE 8 £386
Magstar 100mg capsules 0101010I0BDABAB 7 £2,643
AdMag 160mg tablets 0101010I0BMABAL 6 £602
MagnEss 100mg capsules 0101010I0BHAAAB 5 £269
AdMag 400mg tablets 0101010I0BMAABI 5 £872

Source: NHSBSA Prescription Cost Analysis · to April 2026 OGL v3.0

Where Magnesium oxide is dispensed

The regions and dispensing practices with the highest Magnesium oxide volumes.

Regional volumes from NHSBSA Prescription Cost Analysis; practice volumes from NHS dispensing data.

Compare Magnesium oxide with

Other medicines in the same BNF section, by prescribing volume.