There is no need to worry about sneezing occasionally. Sneezing caused by a cold usually recovers within a certain period. However, if you sneeze for a long time or have other allergic symptoms such as runny nose, stuffy nose, sore throat or itchy eyes and tears, it may be necessary to see a doctor.
I. main causes of sneezing
1. I sneeze when I catch a cold, which helps me clean my nose.
2. Sneeze when suffering from allergic rhinitis or hay fever, and discharge allergic substances from the nasal passages.
3. People with vasoconstrictive rhinitis often sneeze because the blood vessels in the nose become allergic to humidity, temperature and even spicy food.
4. The most common cause of sneezing is non allergic rhinitis, which is eosinophilic rhinitis. The patient has chronic rhinitis symptoms, but the reaction to various allergens is not positive. And it is an unknown reason. Their bodies seem to release histamine and produce allergic symptoms such as sneezing.
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