Allergies may cause a foreign body sensation in the throat. Allergy is a kind of perverse reaction. Allergy in the throat can cause pale edema of the mucous membrane of the throat, increase of watery secretion in the throat, and lead to the loss of normal luster of the mucous membrane of the throat. In addition, allergy can lead to swelling of the tongue, edema of the edge of the soft palate, and lymphoid follicular hyperplasia of the posterior pharyngeal wall. At the onset of allergy, there may be a foreign body sensation in the throat, itching and pain and other uncomfortable symptoms; if the allergy spreads to the hypopharynx, it can cause irritation and dry cough, and in severe cases, it can lead to laryngeal edema, breathing difficulties and other situations. When the throat allergy, caused by a foreign body sensation in the throat, it is recommended to consult a doctor in a timely manner, check to identify the allergens, as soon as possible to get rid of the allergens. Glucocorticoid drugs and antihistamines can be used as prescribed by the doctor, commonly used are beclomethasone propionate aerosol, loratadine and other drugs for treatment. When there is a foreign body sensation in the throat allergy, it is recommended to consult a doctor in time and actively treat.