A 3-year-old child presents with a barking cough, hoarse voice and inspiratory stridor at rest. He has moderate chest wall recession but is maintaining oxygen saturations at 95% on air. What is the most appropriate management?AGive single-dose oral or oral/NG Dexamethasone and observeBGive nebulised Adrenaline alone and discharge immediatelyCStart broad-spectrum antibioticsDSedate the child to reduce agitationESend him home with no treatment as croup is self-limitingCheck my answer