Skip to content
Independent analysis of NHS open data
PharmaInsight

Castor oil vs Lactulose

National NHS prescribing compared (Prescription Cost Analysis)
Data updated September 2025

Lactulose was dispensed 212,572.0× as often as Castor oil in September 2025 — 212,572 items versus 1 in England.

1items

Castor oil · September 2025

NHSBSA Prescription Cost Analysis

212,572items

Lactulose · September 2025

NHSBSA Prescription Cost Analysis

Figure 1. Castor oil versus Lactulose: national items dispensed by month

▬ Castor oil   ·   ╌ Lactulose

0 117k 235k Jan 2021 May 2021 Sep 2021 Jan 2022 May 2022 Sep 2022 Sep 2025 Lactulose 1 Jan 2021: 6 Feb 2021: 1 Mar 2021: 6 Apr 2021: 3 May 2021: 1 Jun 2021: 7 Jul 2021: 2 Aug 2021: 4 Sep 2021: 3 Oct 2021: 4 Nov 2021: 1 Dec 2021: 6 Jan 2022: 2 Feb 2022: 5 Mar 2022: 4 Apr 2022: 4 May 2022: 3 Jun 2022: 1 Jul 2022: 2 Aug 2022: 5 Sep 2022: 1 Oct 2022: 1 Nov 2022: 3 Oct 2023: 1 Nov 2023: 1 Nov 2024: 1 Sep 2025: 1

Source: NHSBSA Prescription Cost Analysis, to September 2025

Castor oil versus Lactulose, September 2025
Measure Castor oil Lactulose
Items, September 2025 1 212,572
Items, last 12 months 24 2,514,245
Net ingredient cost, September 2025 £5 £1,753,298

See the full profile for Castor oil or Lactulose.