- a headache resulting from congestion or infection in the paranasal sinuses
"I have a bad headache." "Join the club; I have one, too."
The usual first sign may be either cold symptoms or a headache.See Usage Note at and / or,either,neither,nor
Either of the sinuses in the bones of the upper jaw,opening into the nasal cavity.
I can't smell because of the nasosinusitis
The cold congested his sinuses
Nose drops or inhalations containing drugs that contract blood vessels help drain the sinuses. Antibiotics may be used for bacterial infections.
Acute sinusitis is usually initiated by an acute respiratory tract infection of viral etiology
Urine may drain through one or more skin sinuses to the exterior
The walls of the sinuses are lined with endocytic cells which engulf any foreign particles that might be present in the lymph
Ethmoid sinusitis is frequently complicated in children by orbital cellulitis and abscess