Cyproheptadine hydrochloride vs Promethazine hydrochloride
Promethazine hydrochloride was dispensed 1,260.9× as often as Cyproheptadine hydrochloride in March 2026 — 252,174 items versus 200 in England.
200items
Cyproheptadine hydrochloride · March 2026
NHSBSA Prescription Cost Analysis
252,174items
Promethazine hydrochloride · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Cyproheptadine hydrochloride versus Promethazine hydrochloride: national items dispensed by month
▬ Cyproheptadine hydrochloride · ╌ Promethazine hydrochloride
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Cyproheptadine hydrochloride | Promethazine hydrochloride |
|---|---|---|
| Items, March 2026 | 200 | 252,174 |
| Items, last 12 months | 2,154 | 2,895,697 |
| Net ingredient cost, March 2026 | £4,179 | £466,476 |
See the full profile for Cyproheptadine hydrochloride or Promethazine hydrochloride.