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PharmaInsight

Amoxicillin vs Rifaximin

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

Amoxicillin was dispensed 62.9× as often as Rifaximin in March 2026 — 752,911 items versus 11,972 in England.

752,911items

Amoxicillin · March 2026

NHSBSA Prescription Cost Analysis

11,972items

Rifaximin · March 2026

NHSBSA Prescription Cost Analysis

Figure 1. Amoxicillin versus Rifaximin: national items dispensed by month

▬ Amoxicillin   ·   ╌ Rifaximin

Rifaximin 752,911

Source: NHSBSA Prescription Cost Analysis, to March 2026

Amoxicillin versus Rifaximin, March 2026
Measure Amoxicillin Rifaximin
Items, March 2026 752,911 11,972
Items, last 12 months 8,312,633 137,031
Net ingredient cost, March 2026 £914,328 £2,160,163

See the full profile for Amoxicillin or Rifaximin.