Is a 4-Year-Old’s Cough and Yellow Phlegm a Sign of Pediatric Allergic Asthma?

A 4-year-old child’s cough with yellow phlegm may be caused by lung heat, also known as lung fire. Fish-mercury herb infusion can be used, and it’s important to maintain a light diet, avoid spicy and irritating foods, and drink plenty of water. If diagnosed with a pediatric respiratory system issue, parents should cooperate with the doctor for immediate treatment, include gastrointestinal decompression, and develop good hygiene habits. Parents should also be mindful not to allow their children to develop picky eating habits and should ensure a balanced diet.
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