Chlorothiazide vs Spironolactone
National NHS prescribing compared (Prescription Cost Analysis)
Spironolactone was dispensed 2,584.6× as often as Chlorothiazide in May 2026 — 359,260 items versus 139 in England.
139items
Chlorothiazide · May 2026
NHSBSA Prescription Cost Analysis
359,260items
Spironolactone · May 2026
NHSBSA Prescription Cost Analysis
Figure 1. Chlorothiazide versus Spironolactone: national items dispensed by month
▬ Chlorothiazide · ╌ Spironolactone
Source: NHSBSA Prescription Cost Analysis, to May 2026
| Measure | Chlorothiazide | Spironolactone |
|---|---|---|
| Items, May 2026 | 139 | 359,260 |
| Items, last 12 months | 1,697 | 4,235,084 |
| Net ingredient cost, May 2026 | £6,852 | £1,236,422 |
See the full profile for Chlorothiazide or Spironolactone.