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Up to: Chronic rhinosinusitis · Ethmoid sinusitis
Chronic ethmoidal sinusitis
Inflammation of the ethmoid sinus that typically lasts beyond eight weeks. It is caused by infections, allergies, and the presence of sinus polyps or a deviated septum. Signs and symptoms include headache, nasal discharge, swelling in the face, dizziness, and breathing difficulties.
This condition has no sub-types.