What should be done when young children cough after having phlegm in their throats?

Patient's question:

My son is 17 months old. Initially, he had phlegm in his throat, then he started coughing. He has been taking medicine for 10 days, but he still has phlegm. I want to ask if this is related to the clothes he wears. His current condition:
1. Half a month ago, he had phlegm in his throat.
2. His temperature has always been normal.
1. Is it because he wears too many clothes, or should he focus on taking the medicine?
2. Is it necessary to take fire-clearing medicine?

Doctor's answer:

The baby's excessive phlegm is likely related to respiratory infections. The difficulty in expectorating phlegm in babies is due to insufficient improvement in the phlegm-removing irradiation. If the phlegm is thick, it is not easy to expel. It is recommended to provide the baby with more fluids, such as pear water or alternating white radish water, as they have the effects of moistening the lungs and cooling the blood. Methods to help alleviate the difficulty in expectorating for children:
1. Maintain humidity: It is crucial to enhance the indoor air humidity, keeping the relative humidity consistently at 60%. This helps keep the respiratory mucosa moist, facilitating the movement of cilia on the mucosal surface and aiding in phlegm expulsion.
2. Drink water to expel phlegm: Encourage the child to drink more water.

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