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Independent analysis of NHS open data
PharmaInsight

Hamamalis vs Olopatadine

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

Olopatadine was dispensed 4,011.8× as often as Hamamalis in May 2026 — 32,094 items versus 8 in England.

8items

Hamamalis · May 2026

NHSBSA Prescription Cost Analysis

32,094items

Olopatadine · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Hamamalis versus Olopatadine: national items dispensed by month

▬ Hamamalis   ·   ╌ Olopatadine

0 20k 39k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 Olopatadine 8 Jan 2021: 180 Feb 2021: 171 Mar 2021: 188 Apr 2021: 152 May 2021: 166 Jun 2021: 195 Jul 2021: 182 Aug 2021: 169 Sep 2021: 178 Oct 2021: 160 Nov 2021: 164 Dec 2021: 166 Jan 2022: 172 Feb 2022: 156 Mar 2022: 180 Apr 2022: 161 May 2022: 160 Jun 2022: 179 Jul 2022: 147 Aug 2022: 170 Sep 2022: 162 Oct 2022: 163 Nov 2022: 146 Dec 2022: 145 Jan 2023: 179 Feb 2023: 158 Mar 2023: 161 Apr 2023: 139 May 2023: 158 Jun 2023: 168 Jul 2023: 161 Aug 2023: 137 Sep 2023: 146 Oct 2023: 160 Nov 2023: 156 Dec 2023: 126 Jan 2024: 155 Feb 2024: 140 Mar 2024: 139 Apr 2024: 145 May 2024: 152 Jun 2024: 131 Jul 2024: 133 Aug 2024: 152 Sep 2024: 133 Oct 2024: 134 Nov 2024: 102 Dec 2024: 93 Jan 2025: 59 Feb 2025: 37 Mar 2025: 36 Apr 2025: 40 May 2025: 28 Jun 2025: 26 Jul 2025: 25 Aug 2025: 23 Sep 2025: 23 Oct 2025: 25 Nov 2025: 14 Dec 2025: 14 Jan 2026: 14 Feb 2026: 10 Mar 2026: 9 Apr 2026: 6 May 2026: 8

Source: NHSBSA Prescription Cost Analysis, to May 2026

Hamamalis versus Olopatadine, May 2026
Measure Hamamalis Olopatadine
Items, May 2026 8 32,094
Items, last 12 months 197 321,241
Net ingredient cost, May 2026 £35 £128,761

See the full profile for Hamamalis or Olopatadine.