Canadian FIFA player Koné given ‘green whistle’ after injury — what is it? (opens original article in a new tab)

Canadian FIFA player Ismael Kone was given Penthrox, a non-opioid pain medication known as the 'green whistle,' after suffering a serious leg fracture during a World Cup match, and will miss the rest of the tournament.

• Canadian midfielder Ismael Kone suffered a tibia and fibula fracture during a World Cup match
• Penthrox, a non-opioid pain medication known as the 'green whistle,' was administered to Kone after his injury
• Penthrox is self-administered, acts as a painkiller and anesthetic, and is used in Canada, Australia, and New Zealand but not in the US due to toxicity concerns
• Kone's surgery was successful, but he will miss the remainder of the 2026 World Cup