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PharmaInsight

Promethazine hydrochloride vs Omalizumab

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

Promethazine hydrochloride was dispensed 252,174.0× as often as Omalizumab in March 2026 — 252,174 items versus 1 in England.

252,174items

Promethazine hydrochloride · March 2026

NHSBSA Prescription Cost Analysis

1items

Omalizumab · March 2026

NHSBSA Prescription Cost Analysis

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

▬ Promethazine hydrochloride   ·   ╌ Omalizumab

Omalizumab 252,174

Source: NHSBSA Prescription Cost Analysis, to March 2026

Promethazine hydrochloride versus Omalizumab, March 2026
Measure Promethazine hydrochloride Omalizumab
Items, March 2026 252,174 1
Items, last 12 months 2,895,697 15
Net ingredient cost, March 2026 £466,476 £256

See the full profile for Promethazine hydrochloride or Omalizumab.