Frequent throat itching cough sneezing, may be allergic rhinitis caused by the adverse symptoms, suffering from allergic pharyngitis, upper respiratory tract infections and other diseases will also appear such a situation. 1. Allergic rhinitis: frequent itchy throat, coughing and sneezing is common in allergic rhinitis, the patient will also have runny nose, nasal congestion and other symptoms, nasal secretions will be a large increase in nasal cavity will be obvious itching sensation, secretions flow back into the throat can be caused by pharyngeal itching and coughing. 2. Allergic pharyngitis: allergic pharyngitis will often appear throat itch, cough and other symptoms, nasal and pharyngeal mucosa continuity, allergic stimuli upstream to cause nasal discomfort and sneezing phenomenon. 3. Upper respiratory tract infection: upper respiratory tract infection may also lead to frequent itchy throat cough sneezing, patients will also appear sore throat, coughing up phlegm and other undesirable symptoms, some patients will have a burning sensation in the throat, usually cause different degrees of fever, accompanied by headache, dizziness, fatigue and other discomforts. It is recommended to go to the hospital in time for a clear diagnosis to avoid delaying the condition and making it further develop.