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Independent analysis of NHS open data
PharmaInsight

Levothyroxine sodium vs Iodine

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

Levothyroxine sodium was dispensed 2,853,217.0× as often as Iodine in May 2026 — 2,853,217 items versus 1 in England.

2,853,217items

Levothyroxine sodium · May 2026

NHSBSA Prescription Cost Analysis

1items

Iodine · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Levothyroxine sodium versus Iodine: national items dispensed by month

▬ Levothyroxine sodium   ·   ╌ Iodine

0 1.5m 3.1m Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 Iodine 2,853,217 Jan 2021: 2.7m Feb 2021: 2.6m Mar 2021: 2.9m Apr 2021: 2.8m May 2021: 2.7m Jun 2021: 2.8m Jul 2021: 2.8m Aug 2021: 2.7m Sep 2021: 2.8m Oct 2021: 2.7m Nov 2021: 2.8m Dec 2021: 2.9m Jan 2022: 2.7m Feb 2022: 2.6m Mar 2022: 2.9m Apr 2022: 2.7m May 2022: 2.8m Jun 2022: 2.8m Jul 2022: 2.8m Aug 2022: 2.8m Sep 2022: 2.8m Oct 2022: 2.8m Nov 2022: 2.8m Dec 2022: 2.9m Jan 2023: 2.8m Feb 2023: 2.6m Mar 2023: 3m Apr 2023: 2.7m May 2023: 2.9m Jun 2023: 2.9m Jul 2023: 2.8m Aug 2023: 2.9m Sep 2023: 2.8m Oct 2023: 2.8m Nov 2023: 2.9m Dec 2023: 2.9m Jan 2024: 2.9m Feb 2024: 2.7m Mar 2024: 2.8m Apr 2024: 2.9m May 2024: 3m Jun 2024: 2.8m Jul 2024: 3m Aug 2024: 2.9m Sep 2024: 2.8m Oct 2024: 3m Nov 2024: 2.8m Dec 2024: 2.9m Jan 2025: 3m Feb 2025: 2.7m Mar 2025: 2.8m Apr 2025: 2.9m May 2025: 3m Jun 2025: 2.9m Jul 2025: 3.1m Aug 2025: 2.8m Sep 2025: 3m Oct 2025: 3m Nov 2025: 2.8m Dec 2025: 3.1m Jan 2026: 2.9m Feb 2026: 2.7m Mar 2026: 3m Apr 2026: 2.9m May 2026: 2.9m

Source: NHSBSA Prescription Cost Analysis, to May 2026

Levothyroxine sodium versus Iodine, May 2026
Measure Levothyroxine sodium Iodine
Items, May 2026 2,853,217 1
Items, last 12 months 34,934,292 3
Net ingredient cost, May 2026 £3,407,311 £23

See the full profile for Levothyroxine sodium or Iodine.