Mercaptopurine vs Tioguanine
National NHS prescribing compared (Prescription Cost Analysis)
Mercaptopurine was dispensed 3,749.0× as often as Tioguanine in May 2026 — 3,749 items versus 1 in England.
3,749items
Mercaptopurine · May 2026
NHSBSA Prescription Cost Analysis
1items
Tioguanine · May 2026
NHSBSA Prescription Cost Analysis
Figure 1. Mercaptopurine versus Tioguanine: national items dispensed by month
▬ Mercaptopurine · ╌ Tioguanine
Source: NHSBSA Prescription Cost Analysis, to May 2026
| Measure | Mercaptopurine | Tioguanine |
|---|---|---|
| Items, May 2026 | 3,749 | 1 |
| Items, last 12 months | 49,777 | 18 |
| Net ingredient cost, May 2026 | £111,195 | £31 |
See the full profile for Mercaptopurine or Tioguanine.