Get latest articles and stories on Business at LatestLY. Sinusitis is a common condition defined as inflammation of the paranasal sinuses, the cavity within the bones that surround the nose. The inflammation leads to oedema and blockade of airflow and causes the secretion of fluid into the sinus cavities, which are unable to drain, thus creating pressure on the cheeks and forehead, leading to severe headache, pain, pressure, nasal congestion, and fever. The following are the suggestions of top doctors who specialize in sinusitis treatment. Business News | Top 8 Doctors Suggest the Best Ways to Cure Sinusitis.