If a child has a cough caused by pharyngitis, parents can use the following treatments: First, give the child more warm water. By supplementing warm water, it can effectively moisten the throat and respiratory tract, thus helping to relieve the symptoms of throat, sore throat and cough. Secondly, you can give your child Chinese medicines that clear heat and detoxify the throat and benefit the throat. Chinese medicines that commonly clear heat, detoxify the throat and benefit the throat include Pu Di Lan Anti-inflammatory Oral Liquid, Blue Scutellaria Oral Liquid and Xuan Mai Citrus Granules, all of which have significant relief and treatment effects on coughs caused by pharyngitis. If the routine blood test indicates high white blood cells, the cough may be caused by bacterial infection and should be treated with cephalosporin. If the blood test is positive for mycoplasma antibodies, the child should be given macrolides, such as erythromycin, roxithromycin, azithromycin, etc. Azithromycin is more common because it is easier to take and can be given once a day.