A 3-year-old child presents with a barking cough, hoarse voice and inspiratory stridor that is worse at night. He is febrile but not drooling and is able to drink. Oxygen saturation is 96% on air. What is the most appropriate initial treatment?AOral DexamethasoneBIntravenous CefotaximeCImmediate intubation and tracheostomyDOral Salbutamol syrupENebulised Adrenaline onlyCheck my answer