Benzalkonium chloride vs Selenium sulfide
National NHS prescribing compared (Prescription Cost Analysis)
Benzalkonium chloride was dispensed 928.2× as often as Selenium sulfide in May 2026 — 4,641 items versus 5 in England.
4,641items
Benzalkonium chloride · May 2026
NHSBSA Prescription Cost Analysis
5items
Selenium sulfide · May 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 May 2026
| Measure | Benzalkonium chloride | Selenium sulfide |
|---|---|---|
| Items, May 2026 | 4,641 | 5 |
| Items, last 12 months | 56,404 | 66 |
| Net ingredient cost, May 2026 | £31,735 | £11 |
See the full profile for Benzalkonium chloride or Selenium sulfide.