Sneezing and itchy throat may be caused by acute upper respiratory tract infection, but it is not excluded that it is caused by allergic rhinitis, allergic pharyngitis, etc., and you should consult a doctor in time to find out the cause of the disease. 1. Acute upper respiratory tract infection: the most common is viral infection, followed by bacterial infection, can have runny nose, nasal congestion, sneezing, itchy throat and other symptoms. 2. Allergic rhinitis: a multifactorial disease caused by the interaction of genes and environment. Allergic rhinitis is a complex polygenic disease, while environmental factors mainly refer to the various allergens existing in the human living environment. Due to the irritation of allergens such as pollen and dust, it can lead to sneezing and itchy throat symptoms. 3. Allergic pharyngitis: contact with allergens, heredity, and pathogenic bacterial infections are the main causes of the disease; secondly, bad habits such as smoking and environmental pollution can also induce allergic pharyngitis, leading to discomfort, dryness, itching, coughing and other symptoms in the patient’s throat. There may be other reasons for sneezing and itchy throat, so you should consult a doctor in time to clarify the specific cause and treat accordingly if necessary.