Sodium phenylbutyrate
Sodium phenylbutyrate was ranked 1750th of 1,794 medicines by items in March 2026, with 1 items, down 50.0% on a year earlier.
1items
Dispensed in March 2026
NHSBSA Prescription Cost Analysis
£493
Net ingredient cost · March 2026
NHSBSA PCA
42items
Dispensed in the last 12 months
NHSBSA PCA
Figure 1. Sodium phenylbutyrate: national items dispensed by month
Source: NHSBSA Prescription Cost Analysis, to March 2026
Embed this chart
A lower-volume medicine: under 1,000 items in the last 12 months.
Top presentations, March 2026
The individual products dispensed under Sodium phenylbutyrate, by items this month.
| Presentation | Items | Net ingredient cost |
|---|---|---|
| Ammonaps 500mg tablets | 1 | £493 |
Compare Sodium phenylbutyrate with
Other medicines in the same BNF section, by prescribing volume.