Diclofenac potassium vs Naproxen
National NHS prescribing compared (Prescription Cost Analysis)
Naproxen was dispensed 1,228.9× as often as Diclofenac potassium in May 2026 — 607,094 items versus 494 in England.
494items
Diclofenac potassium · May 2026
NHSBSA Prescription Cost Analysis
607,094items
Naproxen · May 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 May 2026
| Measure | Diclofenac potassium | Naproxen |
|---|---|---|
| Items, May 2026 | 494 | 607,094 |
| Items, last 12 months | 5,824 | 7,498,192 |
| Net ingredient cost, May 2026 | £6,905 | £1,708,614 |
See the full profile for Diclofenac potassium or Naproxen.