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PharmaInsight

Hydroxyzine hydrochloride vs Promethazine hydrochloride

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

Promethazine hydrochloride was dispensed 9.1× as often as Hydroxyzine hydrochloride in March 2026 — 252,174 items versus 27,698 in England.

27,698items

Hydroxyzine hydrochloride · March 2026

NHSBSA Prescription Cost Analysis

252,174items

Promethazine hydrochloride · March 2026

NHSBSA Prescription Cost Analysis

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

▬ Hydroxyzine hydrochloride   ·   ╌ Promethazine hydrochloride

Promethazine hyd… 27,698

Source: NHSBSA Prescription Cost Analysis, to March 2026

Hydroxyzine hydrochloride versus Promethazine hydrochloride, March 2026
Measure Hydroxyzine hydrochloride Promethazine hydrochloride
Items, March 2026 27,698 252,174
Items, last 12 months 335,301 2,895,697
Net ingredient cost, March 2026 £34,771 £466,476

See the full profile for Hydroxyzine hydrochloride or Promethazine hydrochloride.