You are dispatched to a residence for a child with breathing difficulty. It is 11:30 PM and the temperature outside is 30°F (-1°C). When you arrive at the scene, you find the child, a 3-year-old boy, sitting on his mother's lap. The child's mother tells you that other than a recent runny nose and low-grade fever, her son is healthy. You note that the child has a high-pitched, harsh cough and noisy breathing. You should: