What’s wrong with children coughing up phlegm in the morning and evening

Children coughing with phlegm in the morning and evening may be caused by excessive indoor dust or mites and inflammation of the respiratory tract.
1. Indoor dust or mites: some children belong to the allergic body, allergic to dust or mites, indoor dust or mites are more, respiratory inhalation of respiratory mucous membrane stimulation, will trigger coughing, coughing phlegm symptoms, the children are more often stay indoors in the morning and evening, will be coughing with phlegm performance.
2. Respiratory inflammation: children due to decreased resistance, by viruses, bacteria, mycoplasma, chlamydia and other pathogens invasion, so that the respiratory mucosa congestion, edema, there is a large amount of inflammatory substances exudate, morning and evening of the human body sympathetic nerves are more excited, the body glands secretion exuberant, respiratory secretion increase in the form of coughing, coughing phlegm discharged, the children have a cough morning and evening phlegm phenomenon.
Children coughing in the morning and evening with phlegm, there may be other reasons, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.