Magnesium hydroxide vs Calcium carbonate
National NHS prescribing compared (Prescription Cost Analysis)
Calcium carbonate was dispensed 2.8× as often as Magnesium hydroxide in May 2026 — 890 items versus 314 in England.
314items
Magnesium hydroxide · May 2026
NHSBSA Prescription Cost Analysis
890items
Calcium carbonate · May 2026
NHSBSA Prescription Cost Analysis
Figure 1. Magnesium hydroxide versus Calcium carbonate: national items dispensed by month
▬ Magnesium hydroxide · ╌ Calcium carbonate
Source: NHSBSA Prescription Cost Analysis, to May 2026
| Measure | Magnesium hydroxide | Calcium carbonate |
|---|---|---|
| Items, May 2026 | 314 | 890 |
| Items, last 12 months | 3,619 | 11,270 |
| Net ingredient cost, May 2026 | £4,122 | £16,910 |
See the full profile for Magnesium hydroxide or Calcium carbonate.