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PharmaInsight

Mizolastine vs Promethazine hydrochloride

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

Promethazine hydrochloride was dispensed 16,811.6× as often as Mizolastine in March 2026 — 252,174 items versus 15 in England.

15items

Mizolastine · March 2026

NHSBSA Prescription Cost Analysis

252,174items

Promethazine hydrochloride · March 2026

NHSBSA Prescription Cost Analysis

Figure 1. Mizolastine versus Promethazine hydrochloride: national items dispensed by month

▬ Mizolastine   ·   ╌ Promethazine hydrochloride

Promethazine hyd… 15

Source: NHSBSA Prescription Cost Analysis, to March 2026

Mizolastine versus Promethazine hydrochloride, March 2026
Measure Mizolastine Promethazine hydrochloride
Items, March 2026 15 252,174
Items, last 12 months 496 2,895,697
Net ingredient cost, March 2026 £117 £466,476

See the full profile for Mizolastine or Promethazine hydrochloride.