Phenoxymethylpenicillin (Penicillin V) vs Colistimethate sodium

National NHS prescribing compared (Prescription Cost Analysis)

Data updated March 2026

Phenoxymethylpenicillin (Penicillin V) was dispensed 123.5× as often as Colistimethate sodium in March 2026 — 316,146 items versus 2,560 in England.

316,146items

Phenoxymethylpenicillin (Penicillin V) · March 2026

NHSBSA Prescription Cost Analysis

2,560items

Colistimethate sodium · March 2026

NHSBSA Prescription Cost Analysis

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

▬ Phenoxymethylpenicillin (Penicillin V) · ╌ Colistimethate sodium

Source: NHSBSA Prescription Cost Analysis, to March 2026

Phenoxymethylpenicillin (Penicillin V) versus Colistimethate sodium, March 2026
Measure	Phenoxymethylpenicillin (Penicillin V)	Colistimethate sodium
Items, March 2026	316,146	2,560
Items, last 12 months	2,981,784	29,067
Net ingredient cost, March 2026	£659,506	£711,724