Cold sore throat and cough are mainly caused by viruses attacking the upper respiratory tract. Cold sore throat and cough are caused by viral infection leading to inflammatory reactions in the throat area, such as congestion, edema, and exudation of the mucous membrane of the throat, resulting in symptoms such as dry throat, foreign body sensation, sore throat, and cough. In addition, symptoms of cough, dry throat, and itchy throat may also be associated with a state of upper respiratory tract afferent nerve hypersensitivity caused by virus-induced inflammatory mediators. If the symptoms of cold sore throat and cough are mild, they can be treated in general, such as drinking plenty of water and eating a light diet. If the symptoms are more severe, the symptoms can be treated with borax gargle to relieve sore throat, dextromethorphan to relieve cough, and so on. If there is yellow sputum, you can take antibiotics under the guidance of the doctor, such as amoxicillin capsules, clarithromycin capsules and so on. Hot sore throat, cough may also be caused by other diseases, if the symptoms do not improve or aggravate, should consult a doctor in time, follow the doctor’s instructions for treatment.