Mefenamic acid vs Allopurinol
National NHS prescribing compared (Prescription Cost Analysis)
Allopurinol was dispensed 19.8× as often as Mefenamic acid in May 2026 — 619,140 items versus 31,242 in England.
31,242items
Mefenamic acid · May 2026
NHSBSA Prescription Cost Analysis
619,140items
Allopurinol · May 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 May 2026
| Measure | Mefenamic acid | Allopurinol |
|---|---|---|
| Items, May 2026 | 31,242 | 619,140 |
| Items, last 12 months | 360,191 | 7,516,006 |
| Net ingredient cost, May 2026 | £723,149 | £618,756 |
See the full profile for Mefenamic acid or Allopurinol.