What should be done about infant bronchitis?

Patient's question:

Detailed medical condition and consultation purpose: The child makes a snoring sound while nursing, and it seems like there is phlegm in their throat. Their breathing is normal while sleeping. When awake and at rest, their breathing is normal, but when playing, it seems like there is phlegm in their throat making a snoring sound.
Duration of the current illness: Since the child was discharged from the hospital, it has been more than 60 days.
Medical history: The child was hospitalized for 10 days due to bronchitis at 38 days old. Before admission, they did not have a runny nose, no snoring sound in their throat, no coughing, and normal body temperature. During the admission examination (X-ray), it may have been due to excessive covering and sweating, as well as the cold room where the examination took place. After the examination, the child

Doctor's answer:

Hello: According to the situation you described, it still falls under the symptoms of tracheitis. Key Points of Treatment
1. For infants with high fever and systemic toxic symptoms, regardless of whether white blood cell count is elevated, send blood culture once and strive to perform a tracheal secretion culture once.
2. Symptomatic and supportive therapy is the main approach. Increase air humidity and maintain fluid volume. Use intravenous drip of maintenance fluids as needed.
3. Oxygenation is the primary measure. Oxygen flow rate: 1–3 L/min (nasal cannula method), >3–5 L/min (mask method). Monitor changes in respiratory and heart rate before and after oxygenation, and adjust the oxygen flow rate as needed.
4. Antibiotics
- For mild cases, antiviral oral liquid or virological azole injection is the principle, or erythromycin derivatives can be taken orally.
- For infants under 6 months and more severe cases, penicillin or erythromycin derivatives are the first choice. For those requiring fluid replacement, intravenous administration can be used.
5. Hormones
- For severe infants with severe dyspnea, hypoxia, and widespread dense pulmonary signs, short-term intravenous drip of hydrocortisone or dexamethasone, or oral prednisone, can be used.