Chlorothiazide vs Spironolactone
National NHS prescribing compared (Prescription Cost Analysis)
Spironolactone was dispensed 2,569.6× as often as Chlorothiazide in March 2026 — 367,450 items versus 143 in England.
143items
Chlorothiazide · March 2026
NHSBSA Prescription Cost Analysis
367,450items
Spironolactone · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Chlorothiazide versus Spironolactone: national items dispensed by month
▬ Chlorothiazide · ╌ Spironolactone
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Chlorothiazide | Spironolactone |
|---|---|---|
| Items, March 2026 | 143 | 367,450 |
| Items, last 12 months | 1,706 | 4,181,506 |
| Net ingredient cost, March 2026 | £6,915 | £1,253,634 |
See the full profile for Chlorothiazide or Spironolactone.