Sneezing, itchy throat and stuffy nose are common in allergic rhinitis and colds. 1. Allergic rhinitis: usually caused by contact with allergens such as pollen, mites and dust. Patients often experience frequent sneezing, stuffy nose and watery nasal discharge when exposed to allergens, and when the lesions accumulate in the throat, an itchy throat can also occur. It is recommended to wear a mask to avoid contact with allergens. 2. Cold and flu: usually caused by a decrease in immunity after being exposed to cold and rain, in addition to sneezing, itchy throat, stuffy nose and other symptoms, there will be systemic symptoms such as fever, headache, muscle pain, loss of appetite, cough and so on. When symptoms such as sneezing, itchy throat and stuffy nose occur, it is recommended to go to the hospital in time for a clear diagnosis and symptomatic treatment.