Acute sinusitis is divided into acute viral rhinosinusitis (i.e., common cold) and non viral sinusitis, acute viral sinusitis is caused by viral infection of the upper respiratory tract, contaminated food or objects can also be from nasal, pharyngeal cavity into the organism virulence, the main route of transmission is droplets directly inhaled, it has certain infectious, during the course of illness, should pay attention to rest and appropriate isolation.
Chronic rhinitis ( including chronic simple rhinitis, hypertrophic rhinitis nasal mucosa layer and the lower layer ) is a chronic inflammation, by systemic factors or local anatomic variation factors and occupation environmental factors, living habits, often without clear pathogenic microorganism infection, chronic rhinitis is itself is not contagious.
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