18 months old child presents with low grade fever, stridor and barking cough. His chest x-ray was taken and given below. 
The line of treatment is: (A) 3rd generation Cephalosporins, (B) Heimlich's Maneuver, (C) Reassurance, (D) Single dose of Dexamethasone
Answer is D. The given case scenario is a case of Croup. X-ray shows steeple sign. Single dose of Dexamethasone is the treatment of choice.