Cold and flu throat itchy old want to cough mainly caused by viral infections, you can take oral antiviral drugs, at the same time given to the symptomatic cough medicine, lubricate the throat medicine, and so on. 1. Antiviral drugs: Since colds are caused by viral infections, generally there is no need for antiviral treatment. If symptoms are severe, antiviral drugs such as oral antiviral solution can be used to control cold symptoms. 2. Cough suppressants: mainly for symptomatic control of cough symptoms. Cough suppressants such as dextromethorphan can be taken for dry cough, and sputum remedies such as Ambroxol hydrochloride can be taken for sputum reduction if sputum is not easy to cough up. 3. Throat lozenges: common ones include throat lozenges, etc., to relieve the itchy throat area and control the discomfort. Itchy throat may also be caused by other diseases, such as symptoms continue to be bad, it is recommended to go to the hospital, under the guidance of the doctor to use medication.