Nitrous oxide
Nitrous oxide was ranked 1549th of 1,796 medicines by items in May 2026, with 6 items, up 20.0% on a year earlier.
Dispensed in May 2026
Rolling 12 months
Net ingredient cost · May 2026
Figure 1. Nitrous oxide: national items dispensed by month
Source: NHSBSA Prescription Cost Analysis, to May 2026
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At a glance
- Therapeutic class General anaesthesia
- Presentations 1 shown
- Average cost / item £527.71
- Year on year Up 20.0% on a year earlier
Top presentations, May 2026
The individual products dispensed under Nitrous oxide this month.
| Presentation | BNF code | Items | Net ingredient cost |
|---|---|---|---|
| Entonox cylinders size ED | 1501020R0BCAIA0 | 6 | £3,166 |
Source: NHSBSA Prescription Cost Analysis · to May 2026 OGL v3.0
Where Nitrous oxide is dispensed
The regions and dispensing practices with the highest Nitrous oxide volumes.
Top regions
Top dispensing practices
Regional volumes from NHSBSA Prescription Cost Analysis; practice volumes from NHS dispensing data.
Compare Nitrous oxide with
Other medicines in the same BNF section, by prescribing volume.
Download this data
The monthly series for Nitrous oxide is in this page's CSV. For the ranked national series across every medicine, with the method and caveats documented, see the most-prescribed medicines dataset in our open data catalogue.