Cold well throat itchy old want to cough consider and cold-induced pharyngitis or cold caused by airway hyperreactivity and other reasons, can be relieved by throat spray or take antihistamines and other drugs. 1. pharyngitis: colds are caused by viral infections, which can lead to the mucous membrane of the throat and submucosal tissue congestion, edema, and inflammatory exudate, which can stimulate the throat and cause itchy throat, cough discomfort, can be used under the guidance of a physician throat spray, ice borax, etc. to relieve discomfort. 2. Airway hyperreactivity: After a cold, the stimulation of the respiratory tract due to inflammation can cause airway hyperreactivity, resulting in itchy throat, irritating cough and other discomforts, which can be relieved by budesonide aerosol and antihistamines (such as loratadine) to alleviate the spasm of the airway and reduce the hyperreactivity of the airway. There are many reasons for itchy throat and cough after cold, it is recommended to consult a doctor in time to clarify the cause of the disease, and then follow the doctor’s instructions for treatment. The above medications should be used under the supervision of a physician.