Sinusitis is a common condition that affects millions of people worldwide. It refers to the inflammation and swelling of the tissues lining the sinuses, which are hollow cavities around the nasal passages. When the sinuses become blocked and filled with fluid, it can lead to discomfort and a range of symptoms. It will explore the causes, symptoms, types, diagnoses, and treatment options for sinusitis, as well as natural remedies, prevention tips, and common misconceptions surrounding this condition. Sinusitis What Is It