A 3-year-old child suddenly complained of a sore throat and enlarged left upper deep cervical lymph node. Later he suffered from marked body weakness and mild respiratory distress that progressively became severe. Oropharyngeal examination revealed a grayish membrane on the left tonsil, soft palate, and posterior pharyngeal wall. Two days later he developed nasal regurge.
His temperature was 38°C and pulse 150/min. What is the likely diagnosis and treatment in this case? *This case is from Docplexus Editorial Team for educative purpose only. Source: 100 Cases in ENT