A 2-year-old boy presents with a barking cough, hoarse voice, and inspiratory stridor at rest. He is agitated but maintaining oxygen saturation at 94% on room air. According to CPS croup guidance, what is the most appropriate initial treatment?AOral dexamethasone and nebulised adrenalineBOral antibioticsCInhaled salbutamolDNo treatment; reassure parentsEIntubation in all cases of stridorCheck my answer