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Independent analysis of NHS open data
PharmaInsight

Co-amoxiclav (Amoxicillin/clavulanic acid) vs Nitrofurantoin

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

Nitrofurantoin was dispensed 3.1× as often as Co-amoxiclav (Amoxicillin/clavulanic acid) in May 2026 — 333,741 items versus 106,002 in England.

106,002items

Co-amoxiclav (Amoxicillin/clavulanic acid) · May 2026

NHSBSA Prescription Cost Analysis

333,741items

Nitrofurantoin · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Co-amoxiclav (Amoxicillin/clavulanic acid) versus Nitrofurantoin: national items dispensed by month

▬ Co-amoxiclav (Amoxicillin/clavulanic acid)   ·   ╌ Nitrofurantoin

0 204k 408k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 Nitrofurantoin 106,002 Jan 2021: 109k Feb 2021: 98k Mar 2021: 108k Apr 2021: 100k May 2021: 99k Jun 2021: 107k Jul 2021: 112k Aug 2021: 107k Sep 2021: 113k Oct 2021: 115k Nov 2021: 118k Dec 2021: 122k Jan 2022: 111k Feb 2022: 101k Mar 2022: 117k Apr 2022: 107k May 2022: 111k Jun 2022: 109k Jul 2022: 110k Aug 2022: 110k Sep 2022: 108k Oct 2022: 114k Nov 2022: 116k Dec 2022: 142k Jan 2023: 131k Feb 2023: 117k Mar 2023: 130k Apr 2023: 109k May 2023: 116k Jun 2023: 114k Jul 2023: 112k Aug 2023: 114k Sep 2023: 109k Oct 2023: 113k Nov 2023: 114k Dec 2023: 118k Jan 2024: 125k Feb 2024: 115k Mar 2024: 116k Apr 2024: 117k May 2024: 117k Jun 2024: 108k Jul 2024: 116k Aug 2024: 107k Sep 2024: 106k Oct 2024: 114k Nov 2024: 110k Dec 2024: 119k Jan 2025: 120k Feb 2025: 105k Mar 2025: 110k Apr 2025: 106k May 2025: 107k Jun 2025: 106k Jul 2025: 112k Aug 2025: 104k Sep 2025: 110k Oct 2025: 115k Nov 2025: 106k Dec 2025: 120k Jan 2026: 117k Feb 2026: 106k Mar 2026: 115k Apr 2026: 108k May 2026: 106k

Source: NHSBSA Prescription Cost Analysis, to May 2026

Co-amoxiclav (Amoxicillin/clavulanic acid) versus Nitrofurantoin, May 2026
Measure Co-amoxiclav (Amoxicillin/clavulanic acid) Nitrofurantoin
Items, May 2026 106,002 333,741
Items, last 12 months 1,325,668 4,416,505
Net ingredient cost, May 2026 £268,239 £2,268,636

See the full profile for Co-amoxiclav (Amoxicillin/clavulanic acid) or Nitrofurantoin.