Rhinitis is an inflammatory disease of nasal cavity, which is caused by viruses, bacteria, allergens, various physical and chemical factors and some systemic diseases. The main pathological changes of rhinitis are congestion, swelling, exudation, hyperplasia, atrophy or necrosis of nasal mucosa.

Preventive measures are as follows:

(1) Strengthen physical exercise, enhance physical fitness and prevent colds.

(2) Acute rhinitis (cold) and dental diseases should be treated actively.

(3) Don't blow your nose hard when there are secretions in the nasal cavity. You should block one nostril to clean nasal secretions, and then block the other nostril to clean nasal secretions.

(4) Timely and thoroughly treat acute inflammation of nasal cavity, correct anatomical deformity of nasal cavity, and treat chronic rhinitis and deviated nasal septum.

(5) Avoid diving and choking when swimming.

(6) When suffering from acute rhinitis, it is not advisable to fly.

(7) Properly treat allergic diseases and improve ventilation and drainage of nasal cavity and paranasal sinuses.

Extended data:

First, open Baidu search: China National Intellectual Property Administration:

2. Enter "Yachang Rhinitis" in the search box on the homepage:

Third, there is no "Yachang rhinitis" in the search results.

References:

China National Intellectual Property Administration official website-Yachang rhinitis

Rhinitis-Baidu encyclopedia