This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
A month old HIV positive child following UI developed sudden onset of breathlessness. The chest x-ray shows hyperinflation. The O2 saturation was greater than 90%. The treatment of choice is - 
Select and explain. 
A. Cotrimoxazole, B. Ribavarin, C. N Ganciclovir, D. Nebulized Acyclovir
B: Ribavarin
Answer: B: Ribavarin 
Explanation: Ans. is 'b' i.e., Ribavarin o The child with HIV is suffering from Bronchiolitis. o Antibiotics are not usually used in the treatment ofBronchiolitis who are previously healthy but Ribavarin shoens the duration of treatment in patient who have --> Immunodeficiency, Congenital hea disease, Chronic lung disease o The child in the question is having immunodeficiency due to, HIV infection. Therefore Ribavarin should be used in the treatment of this patient.