Mercaptopurine vs Tioguanine
National NHS prescribing compared (Prescription Cost Analysis)
Mercaptopurine was dispensed 1,372.0× as often as Tioguanine in March 2026 — 4,116 items versus 3 in England.
4,116items
Mercaptopurine · March 2026
NHSBSA Prescription Cost Analysis
3items
Tioguanine · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Mercaptopurine versus Tioguanine: national items dispensed by month
▬ Mercaptopurine · ╌ Tioguanine
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Mercaptopurine | Tioguanine |
|---|---|---|
| Items, March 2026 | 4,116 | 3 |
| Items, last 12 months | 50,759 | 19 |
| Net ingredient cost, March 2026 | £111,292 | £92 |
See the full profile for Mercaptopurine or Tioguanine.