Hoarseness, phlegm, what to do

Patient's question:

Half a year old
Detailed medical condition and consultation purpose: The child was fine the night before yesterday, but when he woke up this morning to speak, his voice was a bit hoarse. It's still like this today. He coughed a few times in the morning, seemed like there was some phlegm, but didn't cough it out. After that, he didn't cough again, but his throat is still hoarse. Please ask the doctor if there is any dietary therapy?
Medical history: Had this before
Other: No other adverse symptoms

Doctor's answer:

Hello: After a cold, a virus invades first, followed by a secondary bacterial infection, which can easily cause acute inflammation of the laryngeal mucosa. If it affects the vocal cords, they become congested and swollen. Additionally, with congestion and swelling of the laryngeal mucosa, secretions increase in quantity and thickness, making them difficult to cough up and sticking to the surface of the vocal cords. This can then hinder the opening or closing of the vocal cords during movement. Therefore, it's common to experience hoarseness after a cold.
So, the first step is to actively check and diagnose the specific cause of the issue, and then determine the appropriate treatment and medication.

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