Isoniazid vs Nitrofurantoin
National NHS prescribing compared (Prescription Cost Analysis)
Nitrofurantoin was dispensed 1,365.2× as often as Isoniazid in April 2026 — 341,310 items versus 250 in England.
250items
Isoniazid · April 2026
NHSBSA Prescription Cost Analysis
341,310items
Nitrofurantoin · April 2026
NHSBSA Prescription Cost Analysis
Figure 1. Isoniazid versus Nitrofurantoin: national items dispensed by month
▬ Isoniazid · ╌ Nitrofurantoin
Source: NHSBSA Prescription Cost Analysis, to April 2026
| Measure | Isoniazid | Nitrofurantoin |
|---|---|---|
| Items, April 2026 | 250 | 341,310 |
| Items, last 12 months | 3,245 | 4,433,977 |
| Net ingredient cost, April 2026 | £30,684 | £2,322,288 |
See the full profile for Isoniazid or Nitrofurantoin.