![]() ![]() Though in most cases the leading cause of sinusitis is a viral infection, it also may be caused by, among many other things, infections, allergies, air pollution, or some physical, structural problems in the nose. Fever, headache, sore throat, and a loss of the sense of smell can also set in. Sometimes sinusitis can also be very painful. There may be swelling around the eyes, cheeks, forehead, and nose. When infected by sinusitis, growths occur in the nasal cavity, also known as polyps, and swelling in tissues lining the sinuses. The sinus includes left and right frontal sinuses and left and right maxillary sinuses. They occur in the body as four paired cavities in the frontal part of the head. Sinuses produce mucus, a fluid that helps clean the nasal cavity and keep it free from bacteria and other infectious substances. ![]() Some of the causes of loss of taste after sinus surgery include infections, post-surgery swelling, COVID19, dry blood in nasal passages, obstruction, and damage to the smell receptors. Loss of taste after sinus surgery happens to the majority of the people who undergo this type of surgery. A Sense of smell complements the sense of taste.
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