The Economic Times

FIFA World Cup 2026: What is the green whistle? The device catching everyone's attention

Canadian footballer Ismal Kon's use of the green whistle for pain relief during a World Cup match has sparked interest. This handheld inhaler, containing methoxyflurane, offers rapid, non-opioid pain relief for athletes with injuries like suspected fractures. While effective for immediate pain management, its use in India is restricted to specific medical emergencies under strict regulations.