What is the reason why the child coughs when encountering cold air?

Patient's question:

My child has had a blood test for blood routine in the past one and a half months. The blood line was a bit high, so they were given an IV drip, after which the blood line returned to normal. However, they have been experiencing a persistent itchy throat and cough. The tonsils were swollen, and they received three IV drips in one week during this period. They visited a traditional Chinese medicine doctor twice. Each visit involved a five-day supply of herbal medicine, totaling ten days of treatment. Previously, I hadn’t paid close attention to their throat, but now I’ve noticed white spots on it—is it inflamed? The condition hasn’t improved yet, and they still cough when exposed to cold air. What could be the cause of this?

Doctor's answer:

If the child only coughs again when encountering cold air, it is generally due to low immunity in the child. First, it is important to have the child undergo a thorough examination. If the blood count is not high, it indicates that there is no inflammation, and it is necessary to actively enhance nutrition to improve the child's immunity. Additionally, wearing a mask when the child goes out can help minimize exposure. It is also advisable to avoid spicy and greasy foods and to complement treatment with medication administered through inhalation using a nebulizer.

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