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Independent analysis of NHS open data
PharmaInsight

Phenelzine sulfate vs Fluoxetine hydrochloride

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

Fluoxetine hydrochloride was dispensed 1,650.4× as often as Phenelzine sulfate in May 2026 — 622,211 items versus 377 in England.

377items

Phenelzine sulfate · May 2026

NHSBSA Prescription Cost Analysis

622,211items

Fluoxetine hydrochloride · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Phenelzine sulfate versus Fluoxetine hydrochloride: national items dispensed by month

▬ Phenelzine sulfate   ·   ╌ Fluoxetine hydrochloride

0 332k 664k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 Fluoxetine hydro… 377 Jan 2021: 350 Feb 2021: 315 Mar 2021: 377 Apr 2021: 372 May 2021: 315 Jun 2021: 351 Jul 2021: 363 Aug 2021: 377 Sep 2021: 400 Oct 2021: 358 Nov 2021: 378 Dec 2021: 352 Jan 2022: 352 Feb 2022: 332 Mar 2022: 523 Apr 2022: 511 May 2022: 436 Jun 2022: 406 Jul 2022: 395 Aug 2022: 380 Sep 2022: 408 Oct 2022: 407 Nov 2022: 402 Dec 2022: 428 Jan 2023: 423 Feb 2023: 373 Mar 2023: 443 Apr 2023: 359 May 2023: 425 Jun 2023: 417 Jul 2023: 378 Aug 2023: 413 Sep 2023: 390 Oct 2023: 458 Nov 2023: 424 Dec 2023: 419 Jan 2024: 407 Feb 2024: 397 Mar 2024: 397 Apr 2024: 427 May 2024: 394 Jun 2024: 352 Jul 2024: 412 Aug 2024: 391 Sep 2024: 409 Oct 2024: 409 Nov 2024: 407 Dec 2024: 396 Jan 2025: 407 Feb 2025: 356 Mar 2025: 386 Apr 2025: 402 May 2025: 396 Jun 2025: 375 Jul 2025: 385 Aug 2025: 371 Sep 2025: 361 Oct 2025: 429 Nov 2025: 298 Dec 2025: 434 Jan 2026: 409 Feb 2026: 351 Mar 2026: 349 Apr 2026: 360 May 2026: 377

Source: NHSBSA Prescription Cost Analysis, to May 2026

Phenelzine sulfate versus Fluoxetine hydrochloride, May 2026
Measure Phenelzine sulfate Fluoxetine hydrochloride
Items, May 2026 377 622,211
Items, last 12 months 4,499 7,600,833
Net ingredient cost, May 2026 £96,340 £1,102,342

See the full profile for Phenelzine sulfate or Fluoxetine hydrochloride.