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Independent analysis of NHS open data
PharmaInsight

Exemestane vs Tamoxifen citrate

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

Tamoxifen citrate was dispensed 2.5× as often as Exemestane in May 2026 — 38,172 items versus 15,464 in England.

15,464items

Exemestane · May 2026

NHSBSA Prescription Cost Analysis

38,172items

Tamoxifen citrate · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Exemestane versus Tamoxifen citrate: national items dispensed by month

▬ Exemestane   ·   ╌ Tamoxifen citrate

0 27k 54k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 Tamoxifen citrat… 15,464 Jan 2021: 12k Feb 2021: 12k Mar 2021: 13k Apr 2021: 13k May 2021: 12k Jun 2021: 13k Jul 2021: 13k Aug 2021: 12k Sep 2021: 13k Oct 2021: 12k Nov 2021: 13k Dec 2021: 13k Jan 2022: 13k Feb 2022: 12k Mar 2022: 13k Apr 2022: 12k May 2022: 13k Jun 2022: 13k Jul 2022: 13k Aug 2022: 13k Sep 2022: 13k Oct 2022: 13k Nov 2022: 13k Dec 2022: 14k Jan 2023: 13k Feb 2023: 12k Mar 2023: 14k Apr 2023: 13k May 2023: 13k Jun 2023: 14k Jul 2023: 14k Aug 2023: 14k Sep 2023: 14k Oct 2023: 14k Nov 2023: 14k Dec 2023: 14k Jan 2024: 14k Feb 2024: 14k Mar 2024: 14k Apr 2024: 14k May 2024: 15k Jun 2024: 14k Jul 2024: 15k Aug 2024: 15k Sep 2024: 14k Oct 2024: 15k Nov 2024: 15k Dec 2024: 15k Jan 2025: 15k Feb 2025: 14k Mar 2025: 15k Apr 2025: 14k May 2025: 16k Jun 2025: 15k Jul 2025: 16k Aug 2025: 15k Sep 2025: 16k Oct 2025: 16k Nov 2025: 15k Dec 2025: 16k Jan 2026: 16k Feb 2026: 14k Mar 2026: 16k Apr 2026: 16k May 2026: 15k

Source: NHSBSA Prescription Cost Analysis, to May 2026

Exemestane versus Tamoxifen citrate, May 2026
Measure Exemestane Tamoxifen citrate
Items, May 2026 15,464 38,172
Items, last 12 months 186,198 484,118
Net ingredient cost, May 2026 £126,485 £264,528

See the full profile for Exemestane or Tamoxifen citrate.