Skip to content
PharmaInsight

Calamine vs Diphenhydramine hydrochloride

National NHS prescribing compared (Prescription Cost Analysis)
Data updated March 2026

Calamine was dispensed 308.1× as often as Diphenhydramine hydrochloride in March 2026 — 3,389 items versus 11 in England.

3,389items

Calamine · March 2026

NHSBSA Prescription Cost Analysis

11items

Diphenhydramine hydrochloride · March 2026

NHSBSA Prescription Cost Analysis

Figure 1. Calamine versus Diphenhydramine hydrochloride: national items dispensed by month

▬ Calamine   ·   ╌ Diphenhydramine hydrochloride

Diphenhydramine… 3,389

Source: NHSBSA Prescription Cost Analysis, to March 2026

Calamine versus Diphenhydramine hydrochloride, March 2026
Measure Calamine Diphenhydramine hydrochloride
Items, March 2026 3,389 11
Items, last 12 months 37,998 143
Net ingredient cost, March 2026 £10,136 £59

See the full profile for Calamine or Diphenhydramine hydrochloride.