There are many reasons why children have been dry cough throat itchy, most often seen in respiratory tract infections, pneumonia, cough variant asthma and other diseases, according to the specific causes of specific treatment options, such as improving diet, medication and so on. 1. Respiratory tract infections: generally caused by viral infections, acute onset, short incubation period, its main manifestations are pharyngeal discomfort, sore throat, dry cough, nasal congestion and other manifestations. This disease is self-limiting, adjusting the diet, more exercise, drink more water, generally can be relieved by themselves; if the viral infection is more serious, you can use oseltamivir and other medications; if the cough is serious, you can use Folcodone to calm the cough. 2. Pneumonia: It may be caused by viral, bacterial or mycoplasma infections, which may include itchy throat, dry cough and fever. If it is viral infection, it can be treated with oral medication such as oseltamivir; if it is bacterial infection, it can be treated with cefdinir; if it is mycoplasma infection, it can be treated with azithromycin and other medications. 3. Cough variant asthma: often occurs after contact with allergens. It is characterized by severe dry cough, which is aggravated at night or early in the morning, and may also cause throat discomfort. Inhalation of glucocorticoids, such as fluticasone propionate inhalation aerosol, can be used to relieve the cough and treatment. In short, the appearance of the above symptoms, you should promptly go to the hospital, a clear diagnosis, under the guidance of the doctor for treatment. The above drugs should be used according to the doctor’s prescription.