Mefenamic acid vs Allopurinol
National NHS prescribing compared (Prescription Cost Analysis)
Allopurinol was dispensed 19.6× as often as Mefenamic acid in March 2026 — 640,753 items versus 32,622 in England.
32,622items
Mefenamic acid · March 2026
NHSBSA Prescription Cost Analysis
640,753items
Allopurinol · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Mefenamic acid versus Allopurinol: national items dispensed by month
▬ Mefenamic acid · ╌ Allopurinol
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Mefenamic acid | Allopurinol |
|---|---|---|
| Items, March 2026 | 32,622 | 640,753 |
| Items, last 12 months | 350,746 | 7,494,398 |
| Net ingredient cost, March 2026 | £922,854 | £632,591 |
See the full profile for Mefenamic acid or Allopurinol.