Magnesium oxide
Magnesium oxide was ranked 1040th of 1,796 medicines by items in May 2026, with 364 items, up 12.3% on a year earlier.
Dispensed in May 2026
Rolling 12 months
Net ingredient cost · May 2026
Figure 1. Magnesium oxide: national items dispensed by month
Source: NHSBSA Prescription Cost Analysis, to May 2026
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At a glance
- Therapeutic class Dyspepsia and gastro-oesophageal reflux disease
- Presentations 15 shown
- Average cost / item £79.74
- Year on year Up 12.3% on a year earlier
Top presentations, May 2026
The individual products dispensed under Magnesium oxide this month.
| Presentation | BNF code | Items | Net ingredient cost |
|---|---|---|---|
| Magnesium oxide 160mg capsules | 0101010I0AAACAC | 63 | £7,010 |
| Magdose 500mg capsules | 0101010I0BFAEAY | 46 | £3,066 |
| Oromag 160 capsules | 0101010I0BEAAAC | 33 | £2,972 |
| Magdose 100mg tablets | 0101010I0BFAAAE | 33 | £2,247 |
| Magnesium oxide 500mg capsules | 0101010I0AAAYAY | 32 | £1,557 |
| Magdose 160mg tablets | 0101010I0BFACAL | 32 | £1,703 |
| MagnEss 500mg capsules | 0101010I0BHACAY | 29 | £1,517 |
| Magdose 100mg capsules | 0101010I0BFABAB | 23 | £1,957 |
| Magdose 160mg capsules | 0101010I0BFADAC | 16 | £1,085 |
| AdMag 100mg tablets | 0101010I0BMACAE | 14 | £1,094 |
| Magdose 400mg tablets | 0101010I0BFAFBI | 11 | £630 |
| AdMag 160mg tablets | 0101010I0BMABAL | 10 | £999 |
| Magstar 100mg capsules | 0101010I0BDABAB | 7 | £812 |
| AdMag 400mg tablets | 0101010I0BMAABI | 6 | £696 |
| Magnesium oxide 160mg tablets | 0101010I0AAALAL | 4 | £454 |
Source: NHSBSA Prescription Cost Analysis · to May 2026 OGL v3.0
Where Magnesium oxide is dispensed
The regions and dispensing practices with the highest Magnesium oxide volumes.
Top regions
Top dispensing practices
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.
Download this data
The monthly series for Magnesium oxide is in this page's CSV. For the ranked national series across every medicine, with the method and caveats documented, see the most-prescribed medicines dataset in our open data catalogue.