Skip to content
Independent analysis of NHS open data
PharmaInsight

Carbimazole vs Propylthiouracil

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

Carbimazole was dispensed 14.3× as often as Propylthiouracil in May 2026 — 65,721 items versus 4,584 in England.

65,721items

Carbimazole · May 2026

NHSBSA Prescription Cost Analysis

4,584items

Propylthiouracil · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Carbimazole versus Propylthiouracil: national items dispensed by month

▬ Carbimazole   ·   ╌ Propylthiouracil

0 35k 70k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 Propylthiouracil 65,721 Jan 2021: 51k Feb 2021: 49k Mar 2021: 55k Apr 2021: 53k May 2021: 51k Jun 2021: 54k Jul 2021: 55k Aug 2021: 52k Sep 2021: 55k Oct 2021: 52k Nov 2021: 54k Dec 2021: 57k Jan 2022: 53k Feb 2022: 50k Mar 2022: 57k Apr 2022: 53k May 2022: 56k Jun 2022: 54k Jul 2022: 55k Aug 2022: 56k Sep 2022: 56k Oct 2022: 56k Nov 2022: 57k Dec 2022: 57k Jan 2023: 57k Feb 2023: 52k Mar 2023: 60k Apr 2023: 54k May 2023: 58k Jun 2023: 59k Jul 2023: 58k Aug 2023: 59k Sep 2023: 58k Oct 2023: 59k Nov 2023: 59k Dec 2023: 59k Jan 2024: 61k Feb 2024: 57k Mar 2024: 58k Apr 2024: 60k May 2024: 62k Jun 2024: 59k Jul 2024: 64k Aug 2024: 62k Sep 2024: 61k Oct 2024: 64k Nov 2024: 62k Dec 2024: 64k Jan 2025: 65k Feb 2025: 59k Mar 2025: 63k Apr 2025: 63k May 2025: 66k Jun 2025: 64k Jul 2025: 68k Aug 2025: 63k Sep 2025: 67k Oct 2025: 68k Nov 2025: 63k Dec 2025: 70k Jan 2026: 67k Feb 2026: 62k Mar 2026: 68k Apr 2026: 67k May 2026: 66k

Source: NHSBSA Prescription Cost Analysis, to May 2026

Carbimazole versus Propylthiouracil, May 2026
Measure Carbimazole Propylthiouracil
Items, May 2026 65,721 4,584
Items, last 12 months 793,021 56,834
Net ingredient cost, May 2026 £192,376 £78,329

See the full profile for Carbimazole or Propylthiouracil.