Why do you sneeze after the heat?

After the summer heat every year, the otolaryngology department of the hospital has to receive a large number of patients with rhinitis, about 80% of whom suffer from autumn pollen allergic rhinitis. The patient's symptoms are complicated, mainly nasal congestion, sneezing, a lot of runny nose, itchy nose and eyes, and even coughing and wheezing. In severe cases, secondary infection will occur (the course of disease will be greatly prolonged); A small number of patients may also turn into perennial rhinitis, and they will also get sick when they encounter cold or hot or pungent odor. "