Itchy nose and old sneezing may be caused by allergic rhinitis, upper respiratory tract infection, sinusitis, etc. It can be treated with desensitization therapy, azithromycin, montelukast sodium and other drugs. 1. Allergic rhinitis: allergens stimulate the patient’s nasal mucosa, which may lead to symptoms such as runny nose, itchy nose, sneezing, etc. Some patients can undergo allergen screening and desensitization treatment. 2. Upper respiratory tract infection: mainly because of bacterial or viral invasion into the patient’s respiratory system, resulting in increased nasal secretions or inflammation, the nose appears itchy and other discomfort, so that the patient old sneezing. You can take azithromycin, moxifloxacin hydrochloride tablets and other drugs for anti-infection treatment. 3. Sinusitis: Sinusitis is an inflammatory disease that occurs in the mucous membrane of the sinuses, and the mucous secretions in the sinuses may flow from the sinuses to the nasal cavity, stimulating the mucous membrane in the nasal cavity, which also tends to make the patients feel itchy nose and old sneezing. Medications such as budesonide and montelukast sodium can be used to control the inflammatory response. When the nose itchy old sneezing, it is recommended to go to the hospital as soon as possible for relevant examinations, and under the guidance of the doctor to clarify the cause of the disease after the standardized use of medication and treatment, to avoid delays in the condition.