A 2-year-old boy presents with a barking cough, inspiratory stridor at rest and moderate respiratory distress, but is not drooling. He is afebrile. What is the most appropriate initial pharmacological treatment?ANebulised adrenaline aloneBOral dexamethasone 0.15 mg/kgCOral salbutamol syrupDIntravenous ceftriaxoneENebulised hypertonic salineCheck my answer