Q. A 3-month-old infant was brought by his parents to the emergency room with complaints of a runny nose, coughing, and wheezing for the past two days. The child's parents reported a mild fever of 100.4°F (38°C). The child's medical history revealed a premature birth at 32 weeks but no chronic medical conditions.
On examination, the infant had increased work of breathing, nasal flaring, and audible wheezing. There were intercostal and subcostal retractions. Full physical exam findings showed oxygen saturation of 92% on room air, respiratory rate of 58 breaths/min, and heart rate of 145 beats/min.
Lab tests were ordered, revealing a CBC with a WBC count of 11,000/mm³, and a Chest X-ray showed hyperinflation with no clear signs of pneumonia.
What is the next best step in the management of this patient?