Mucosal inflammation of maxillary sinus, ethmoid sinus, frontal sinus and sphenoid sinus is collectively called sinusitis. Sinusitis is a nonspecific inflammation of nasal mucosa, and it is a common and frequently-occurring disease in rhinology. Sinusitis is a common disease, which can be divided into acute and chronic. Acute suppurative sinusitis is mostly secondary to acute rhinitis, characterized by nasal congestion, purulent nasal discharge and headache. Chronic suppurative sinusitis is often secondary to acute suppurative sinusitis, with purulent nasal discharge as the main manifestation, which may be accompanied by nasal congestion, headache and olfactory disturbance. Usually pay attention to exercise, combine work and rest, dress appropriately, breathe fresh air more, avoid dry nose, and don't drop nasal medicine easily. Timely diagnosis and treatment of nasal lesions, adjacent lesions infection needs treatment.

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