What is the medical term for inflammation of the sinuses?

The medical term for inflammation of the sinuses is sinusitis. This condition occurs when the sinuses, which are air-filled spaces in the skull, become swollen or inflamed, often due to an infection, allergy, or other factors. Symptoms commonly associated with sinusitis include nasal congestion, facial pain or pressure, headache, and discharge from the nose. In contrast, the other options refer to different conditions or symptoms. Rhinorrhea describes a runny nose and is more of a symptom than a diagnosis. Sinus congestion refers to the feeling of fullness and blockage in the sinuses but does not specifically denote inflammation. Allergic rhinitis is an allergic reaction that primarily affects the nasal passages, leading to symptoms like sneezing and itching but doesn’t directly indicate inflammation of the sinuses. Therefore, sinusitis is the correct term for this specific condition.