Co-magaldrox (Magnesium/aluminium hydroxide) vs Calcium carbonate

National NHS prescribing compared (Prescription Cost Analysis)

Data updated March 2026

Calcium carbonate was dispensed 1.4× as often as Co-magaldrox (Magnesium/aluminium hydroxide) in March 2026 — 1,005 items versus 714 in England.

714items

Co-magaldrox (Magnesium/aluminium hydroxide) · March 2026

NHSBSA Prescription Cost Analysis

1,005items

Calcium carbonate · March 2026

NHSBSA Prescription Cost Analysis

Figure 1. Co-magaldrox (Magnesium/aluminium hydroxide) versus Calcium carbonate: national items dispensed by month

▬ Co-magaldrox (Magnesium/aluminium hydroxide) · ╌ Calcium carbonate

Source: NHSBSA Prescription Cost Analysis, to March 2026

Co-magaldrox (Magnesium/aluminium hydroxide) versus Calcium carbonate, March 2026
Measure	Co-magaldrox (Magnesium/aluminium hydroxide)	Calcium carbonate
Items, March 2026	714	1,005
Items, last 12 months	15,225	11,263
Net ingredient cost, March 2026	£2,568	£23,502