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Independent analysis of NHS open data
PharmaInsight

Carbocisteine vs Tezacaftor/ivacaftor

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

Carbocisteine was dispensed 334,426.0× as often as Tezacaftor/ivacaftor in May 2026 — 334,426 items versus 1 in England.

334,426items

Carbocisteine · May 2026

NHSBSA Prescription Cost Analysis

1items

Tezacaftor/ivacaftor · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Carbocisteine versus Tezacaftor/ivacaftor: national items dispensed by month

▬ Carbocisteine   ·   ╌ Tezacaftor/ivacaftor

0 182k 363k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 Tezacaftor/ivaca… 334,426 Jan 2021: 237k Feb 2021: 222k Mar 2021: 249k Apr 2021: 241k May 2021: 230k Jun 2021: 248k Jul 2021: 250k Aug 2021: 240k Sep 2021: 252k Oct 2021: 245k Nov 2021: 255k Dec 2021: 269k Jan 2022: 252k Feb 2022: 236k Mar 2022: 268k Apr 2022: 254k May 2022: 264k Jun 2022: 257k Jul 2022: 259k Aug 2022: 269k Sep 2022: 265k Oct 2022: 266k Nov 2022: 276k Dec 2022: 283k Jan 2023: 282k Feb 2023: 259k Mar 2023: 296k Apr 2023: 267k May 2023: 287k Jun 2023: 292k Jul 2023: 284k Aug 2023: 296k Sep 2023: 289k Oct 2023: 298k Nov 2023: 303k Dec 2023: 304k Jan 2024: 314k Feb 2024: 296k Mar 2024: 301k Apr 2024: 314k May 2024: 321k Jun 2024: 302k Jul 2024: 331k Aug 2024: 319k Sep 2024: 312k Oct 2024: 335k Nov 2024: 321k Dec 2024: 333k Jan 2025: 341k Feb 2025: 306k Mar 2025: 322k Apr 2025: 327k May 2025: 337k Jun 2025: 329k Jul 2025: 349k Aug 2025: 322k Sep 2025: 340k Oct 2025: 353k Nov 2025: 325k Dec 2025: 363k Jan 2026: 350k Feb 2026: 322k Mar 2026: 351k Apr 2026: 345k May 2026: 334k

Source: NHSBSA Prescription Cost Analysis, to May 2026

Carbocisteine versus Tezacaftor/ivacaftor, May 2026
Measure Carbocisteine Tezacaftor/ivacaftor
Items, May 2026 334,426 1
Items, last 12 months 4,083,512 6
Net ingredient cost, May 2026 £1,673,196 £225

See the full profile for Carbocisteine or Tezacaftor/ivacaftor.