Mefenamic acid vs Naproxen
National NHS prescribing compared (Prescription Cost Analysis)
Naproxen was dispensed 20.2× as often as Mefenamic acid in April 2026 — 622,071 items versus 30,759 in England.
30,759items
Mefenamic acid · April 2026
NHSBSA Prescription Cost Analysis
622,071items
Naproxen · April 2026
NHSBSA Prescription Cost Analysis
Figure 1. Mefenamic acid versus Naproxen: national items dispensed by month
▬ Mefenamic acid · ╌ Naproxen
Source: NHSBSA Prescription Cost Analysis, to April 2026
| Measure | Mefenamic acid | Naproxen |
|---|---|---|
| Items, April 2026 | 30,759 | 622,071 |
| Items, last 12 months | 356,036 | 7,541,200 |
| Net ingredient cost, April 2026 | £793,178 | £1,750,177 |
See the full profile for Mefenamic acid or Naproxen.