Itchy throat and cough are mainly considered to be caused by respiratory tract infection, with pharyngitis, bronchitis and the initial stage of cold easily causing this symptom. Generally, you can take oral aminoglutethimide pellets or use cold medicines such as 999 cold and flu. Most of the cases are caused by viral infections, you can also appropriate with antiviral drugs, in general, also need to drink more water and pay attention to rest. If the cough is serious and there is no phlegm, you can also use drugs such as compound licorice combination, dextromethorphan granules, etc. If there is phlegm, you can also cooperate with cough and phlegm medicine. If the above-mentioned drugs do not work well, you can also consider that it is caused by allergic diseases, and you can take anti-allergic drugs such as paracetamol and cetirizine orally. You should also pay attention to your diet and try to avoid irritating and allergy-prone foods. If it does not improve, you need to go to the hospital for examination and treatment with medication under the guidance of the doctor.