Benzalkonium chloride vs Selenium sulfide
National NHS prescribing compared (Prescription Cost Analysis)
Benzalkonium chloride was dispensed 437.1× as often as Selenium sulfide in March 2026 — 4,808 items versus 11 in England.
4,808items
Benzalkonium chloride · March 2026
NHSBSA Prescription Cost Analysis
11items
Selenium sulfide · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Benzalkonium chloride versus Selenium sulfide: national items dispensed by month
▬ Benzalkonium chloride · ╌ Selenium sulfide
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Benzalkonium chloride | Selenium sulfide |
|---|---|---|
| Items, March 2026 | 4,808 | 11 |
| Items, last 12 months | 56,364 | 64 |
| Net ingredient cost, March 2026 | £32,927 | £60 |
See the full profile for Benzalkonium chloride or Selenium sulfide.