What to do when a three year old has phlegm in his throat

Children with phlegm need to be treated according to the cause of the illness. Common causes are diet and disease, and should be treated with diet and medication to improve the symptoms.
1. Dietary factors: sweet and greasy or spicy stimulating foods cause phlegm in the throat, the diet should be improved to reduce the stimulation.
2. Disease factors
(1) respiratory diseases caused by phlegm, often caused by bacterial, viral, mycoplasma and other infections, for viral infections should drink water and rest, generally do not routinely use antiviral drugs, combined with bacterial infections should be used in conjunction with antibiotics, such as penicillin, cephalosporins, macrolides, etc., of which macrolides are also more sensitive to mycoplasma.
Tuberculosis caused by anti-tuberculosis treatment such as isoniazid should be taken.
(2) Other diseases: cardiovascular diseases such as pulmonary stasis caused by left heart failure, pleural diseases such as pleurisy, pleural tumors, etc., should actively treat the primary disease.
Respiratory tract infections are the most common among the above factors. In addition, when there is much sputum, it is necessary to drink a lot of water, parents can help to knock the back to expel sputum, and if necessary, Ambroxol can be used to dilute sputum to facilitate sputum expulsion. The above medications should be administered under medical supervision.
The symptoms of phlegm in the throat should be promptly consulted, the cause of the disease should be clarified, and active treatment should be carried out. All of the above medications should be used under medical supervision.