Diphenhydramine hydrochloride vs Mepyramine maleate
National NHS prescribing compared (Prescription Cost Analysis)
Mepyramine maleate was dispensed 5.2× as often as Diphenhydramine hydrochloride in May 2026 — 89 items versus 17 in England.
17items
Diphenhydramine hydrochloride · May 2026
NHSBSA Prescription Cost Analysis
89items
Mepyramine maleate · May 2026
NHSBSA Prescription Cost Analysis
Figure 1. Diphenhydramine hydrochloride versus Mepyramine maleate: national items dispensed by month
▬ Diphenhydramine hydrochloride · ╌ Mepyramine maleate
Source: NHSBSA Prescription Cost Analysis, to May 2026
| Measure | Diphenhydramine hydrochloride | Mepyramine maleate |
|---|---|---|
| Items, May 2026 | 17 | 89 |
| Items, last 12 months | 168 | 1,047 |
| Net ingredient cost, May 2026 | £112 | £461 |
See the full profile for Diphenhydramine hydrochloride or Mepyramine maleate.