The common reasons for sneezing are as follows: 1. The main reason for sneezing is that it is caused by wind-cold, which causes chills and fever, and also causes sneezing, runny nose, itchy throat, and general discomfort. You need to pay attention to keep warm, you can take oral wind-cold cold particles. 2, if this symptom occurs often, you also need to consider that it is caused by allergic rhinitis. If you are exposed to irritating things or cold air, pollen, fumes, it is also easy to cause this symptom, the symptoms are more serious you can take oral anti-allergy drugs, also need to use co-solvadex to relieve local symptoms. If you have recurring attacks, you need to go to the hospital for allergen testing, and pay attention to avoiding allergy-prone, spicy and irritating foods in general.