After Canadian footballer Ismael Kone suffered a serious leg injury during the FIFA World Cup, viewers noticed him inhaling from a small green device. Experts explain how this fast-acting pain relief ...

Des Plaines, IL - Initial management with inhaled methoxyflurane in the emergency department did not achieve the prespecified substantial reduction in pain, but was associated with clinically ...

Canadian footballer Ismaël Koné'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 ...

Canada's Ismaël Koné received the Green Whistle (Penthrox), a fast-acting inhaled painkiller that provides rapid, non-opioid pain relief after injuries.