🇺🇸 VX-950 in United States

12,061 US adverse-event reports

Safety signals — FAERS

Adverse reaction reports describe suspected side effects. A report does not mean the drug caused the event — co-medications, underlying disease and coincidence all contribute.

• Window: 28 March 2025 – 28 March 2026
• Total reports: 12,061

Most-reported reactions

1. Fatigue — 2,544 reports (21.09%)
2. Anaemia — 1,667 reports (13.82%)
3. Nausea — 1,531 reports (12.69%)
4. Rash — 1,379 reports (11.43%)
5. Pruritus — 1,132 reports (9.39%)
6. White Blood Cell Count Decreased — 863 reports (7.16%)
7. Decreased Appetite — 806 reports (6.68%)
8. Headache — 783 reports (6.49%)
9. Influenza Like Illness — 679 reports (5.63%)
10. Diarrhoea — 677 reports (5.61%)

Source database →

Frequently asked questions

Is VX-950 approved in United States?

VX-950 does not currently have US marketing authorisation in our dataset.

Who is the marketing authorisation holder for VX-950 in United States?

Vertex Pharmaceuticals Incorporated is the originator. The local marketing authorisation holder may differ — check the official source linked above.