Diclofenac potassium vs Naproxen
National NHS prescribing compared (Prescription Cost Analysis)
Naproxen was dispensed 1,394.5× as often as Diclofenac potassium in March 2026 — 635,908 items versus 456 in England.
456items
Diclofenac potassium · March 2026
NHSBSA Prescription Cost Analysis
635,908items
Naproxen · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Diclofenac potassium versus Naproxen: national items dispensed by month
▬ Diclofenac potassium · ╌ Naproxen
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Diclofenac potassium | Naproxen |
|---|---|---|
| Items, March 2026 | 456 | 635,908 |
| Items, last 12 months | 5,893 | 7,541,183 |
| Net ingredient cost, March 2026 | £6,463 | £1,673,757 |
See the full profile for Diclofenac potassium or Naproxen.