What condition can occur if the maxillary sinus becomes blocked?

When the maxillary sinus becomes blocked, the most direct consequence is sinusitis, which is an inflammation of the sinus cavities. This blockage leads to a buildup of mucus and pressure, creating an environment conducive to infection. Sinusitis can present various symptoms such as facial pain, nasal congestion, and fever. The inflammation can be acute or chronic, depending on the duration and severity of the blockage and associated infection.

In contrast, rhinitis refers to inflammation of the nasal mucosa, which can occur due to allergies or infections but is not directly tied to the blockage of the maxillary sinus. Otitis media, which is an infection or inflammation of the middle ear, and pharyngitis, an inflammation of the pharynx or throat, are also separate conditions that may arise due to upper respiratory infections but are not directly linked to maxillary sinus blockage. Thus, sinusitis is the specific condition resulting from such blockages.