Phlegm in the throat when your child sleeps at night is more common in winter and summer. It is mostly seen in upper respiratory tract infection and dry air, and it is recommended to go to the hospital for examination and timely treatment. Common causes 1, upper respiratory tract infections: mostly caused by viral infections, including rhinovirus, adenovirus, influenza virus, such as rhinitis, tonsillitis, etc., which stimulate the respiratory mucosa, resulting in mucosal congestion, edema, secretions and therefore increased, coughing, coughing up phlegm symptoms; 2, air dryness: in the winter and summer, due to the discomfort of the weather, too cold or too hot, the use of heating facilities at home or fans, air conditioning, will cause indoor air dryness, there will be a dry throat with phlegm phenomenon, parents are advised to strengthen the care, adjust the indoor humidity. Treatment is recommended to improve the examination, such as blood routine, follow the doctor’s instructions to take cough and phlegm medication, such as pediatric cough syrup, can choose penicillin or cephalosporin antibiotics for anti-infective treatment, such as amoxicillin, cefixime, such as children with asthma, can use budesonide nebulized suspension for control. Precautions for children with phlegm in the throat, you can gently pat their backs appropriately, and drink more water to help swallowing; usually you can eat more food with phlegm transforming effect, such as rock sugar stewed avocado; keep the room ventilated and moist, and you can use the humidifier appropriately, to avoid drying of the mucous membrane of the nasal cavity to aggravate the damage.