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Independent analysis of NHS open data
PharmaInsight

Erythromycin vs Benzoyl peroxide and clindamycin phosphate

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

Benzoyl peroxide and clindamycin phosphate was dispensed 12.9× as often as Erythromycin in May 2026 — 35,855 items versus 2,771 in England.

2,771items

Erythromycin · May 2026

NHSBSA Prescription Cost Analysis

35,855items

Benzoyl peroxide and clindamycin phosphate · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Erythromycin versus Benzoyl peroxide and clindamycin phosphate: national items dispensed by month

▬ Erythromycin   ·   ╌ Benzoyl peroxide and clindamycin phosphate

0 28k 55k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 Benzoyl peroxide… 2,771 Jan 2021: 16k Feb 2021: 15k Mar 2021: 17k Apr 2021: 16k May 2021: 15k Jun 2021: 15k Jul 2021: 15k Aug 2021: 14k Sep 2021: 15k Oct 2021: 14k Nov 2021: 14k Dec 2021: 13k Jan 2022: 14k Feb 2022: 13k Mar 2022: 15k Apr 2022: 13k May 2022: 14k Jun 2022: 14k Jul 2022: 13k Aug 2022: 13k Sep 2022: 13k Oct 2022: 13k Nov 2022: 13k Dec 2022: 11k Jan 2023: 12k Feb 2023: 11k Mar 2023: 13k Apr 2023: 11k May 2023: 12k Jun 2023: 12k Jul 2023: 11k Aug 2023: 12k Sep 2023: 12k Oct 2023: 12k Nov 2023: 12k Dec 2023: 11k Jan 2024: 12k Feb 2024: 11k Mar 2024: 11k Apr 2024: 10k May 2024: 7k Jun 2024: 7k Jul 2024: 8k Aug 2024: 7k Sep 2024: 7k Oct 2024: 8k Nov 2024: 7k Dec 2024: 7k Jan 2025: 7k Feb 2025: 6k Mar 2025: 7k Apr 2025: 7k May 2025: 7k Jun 2025: 7k Jul 2025: 7k Aug 2025: 6k Sep 2025: 7k Oct 2025: 7k Nov 2025: 6k Dec 2025: 6k Jan 2026: 6k Feb 2026: 6k Mar 2026: 5k Apr 2026: 4k May 2026: 3k

Source: NHSBSA Prescription Cost Analysis, to May 2026

Erythromycin versus Benzoyl peroxide and clindamycin phosphate, May 2026
Measure Erythromycin Benzoyl peroxide and clindamycin phosphate
Items, May 2026 2,771 35,855
Items, last 12 months 68,644 457,795
Net ingredient cost, May 2026 £41,732 £679,430

See the full profile for Erythromycin or Benzoyl peroxide and clindamycin phosphate.