A 4-year-old boy is brought to A&E with a 1-day history of fever, barking cough and stridor at rest. He is alert but distressed, with mild sternal recession. What is the most appropriate immediate treatment?ANebulised Adrenaline and oral DexamethasoneBHigh-dose inhaled Salbutamol via spacerCOral Prednisolone and dischargeDIntravenous Ceftriaxone and fluid resuscitationEImmediate intubation and ventilation in all casesCheck my answer