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Independent analysis of NHS open data
PharmaInsight

Clomifene citrate vs Tolvaptan

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

Clomifene citrate was dispensed 8.0× as often as Tolvaptan in May 2026 — 128 items versus 16 in England.

128items

Clomifene citrate · May 2026

NHSBSA Prescription Cost Analysis

16items

Tolvaptan · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Clomifene citrate versus Tolvaptan: national items dispensed by month

▬ Clomifene citrate   ·   ╌ Tolvaptan

0 182 364 Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 Tolvaptan 128 Jan 2021: 329 Feb 2021: 314 Mar 2021: 364 Apr 2021: 311 May 2021: 278 Jun 2021: 324 Jul 2021: 287 Aug 2021: 295 Sep 2021: 228 Oct 2021: 230 Nov 2021: 252 Dec 2021: 241 Jan 2022: 273 Feb 2022: 216 Mar 2022: 272 Apr 2022: 223 May 2022: 252 Jun 2022: 205 Jul 2022: 262 Aug 2022: 201 Sep 2022: 211 Oct 2022: 254 Nov 2022: 227 Dec 2022: 211 Jan 2023: 220 Feb 2023: 192 Mar 2023: 226 Apr 2023: 202 May 2023: 224 Jun 2023: 218 Jul 2023: 201 Aug 2023: 184 Sep 2023: 184 Oct 2023: 215 Nov 2023: 208 Dec 2023: 224 Jan 2024: 230 Feb 2024: 212 Mar 2024: 203 Apr 2024: 206 May 2024: 238 Jun 2024: 208 Jul 2024: 205 Aug 2024: 225 Sep 2024: 205 Oct 2024: 235 Nov 2024: 232 Dec 2024: 196 Jan 2025: 208 Feb 2025: 203 Mar 2025: 156 Apr 2025: 145 May 2025: 182 Jun 2025: 150 Jul 2025: 148 Aug 2025: 138 Sep 2025: 162 Oct 2025: 142 Nov 2025: 137 Dec 2025: 130 Jan 2026: 143 Feb 2026: 126 Mar 2026: 125 Apr 2026: 103 May 2026: 128

Source: NHSBSA Prescription Cost Analysis, to May 2026

Clomifene citrate versus Tolvaptan, May 2026
Measure Clomifene citrate Tolvaptan
Items, May 2026 128 16
Items, last 12 months 1,632 283
Net ingredient cost, May 2026 £3,001 £17,518

See the full profile for Clomifene citrate or Tolvaptan.