Phenoxymethylpenicillin (Penicillin V) vs Erythromycin

National NHS prescribing compared (Prescription Cost Analysis)

Data updated March 2026

Phenoxymethylpenicillin (Penicillin V) was dispensed 14.8× as often as Erythromycin in March 2026 — 316,146 items versus 21,331 in England.

316,146items

Phenoxymethylpenicillin (Penicillin V) · March 2026

NHSBSA Prescription Cost Analysis

21,331items

Erythromycin · March 2026

NHSBSA Prescription Cost Analysis

Figure 1. Phenoxymethylpenicillin (Penicillin V) versus Erythromycin: national items dispensed by month

▬ Phenoxymethylpenicillin (Penicillin V) · ╌ Erythromycin

Source: NHSBSA Prescription Cost Analysis, to March 2026

Phenoxymethylpenicillin (Penicillin V) versus Erythromycin, March 2026
Measure	Phenoxymethylpenicillin (Penicillin V)	Erythromycin
Items, March 2026	316,146	21,331
Items, last 12 months	2,981,784	257,004
Net ingredient cost, March 2026	£659,506	£218,356