Throat foreign body sensation nose blockage may be upper respiratory tract infection, chronic rhinitis with pharyngitis, allergic rhinitis and other causes. 1. Upper respiratory tract infection: due to bacterial or viral invasion, resulting in upper respiratory tract infection, the patient may have a runny nose, blocked nose, sneezing, pharyngeal discomfort, coughing and other symptoms, resulting in a blocked nose, foreign body sensation in the throat. 2. Chronic rhinitis accompanied by pharyngitis: patients suffering from chronic rhinitis will have congestion and edema of the nasal mucosa, hypertrophy of the turbinate, etc., causing symptoms such as blocked nose and runny nose. The nasal mucous membrane will be congested and swollen, and the nasal turbinates will be enlarged, causing symptoms such as blocked nose and runny nose. The nasal mucous will flow backward into the nasopharynx, so there will be a foreign body sensation in the throat. 3. Allergic rhinitis: allergic rhinitis is triggered by contact with allergens, resulting in symptoms such as blocked nose, runny nose, itchy nose and sneezing. The nasal mucus may flow backward into the nasopharynx and pharynx, and at the same time the mucous membrane of the pharynx has an allergic reaction, and there is a foreign body sensation in the throat, coughing and other symptoms. When there is a foreign body sensation in the throat and a blocked nose, you should go to the hospital in time and follow the doctor’s instructions for clear examination and treatment.