Sinusitis is an inflammation, or swelling, of the tissue lining the sinuses. Normally, sinuses are filled with air, but when sinuses become blocked and filled with fluid, germs (bacteria, viruses, and fungi) can grow and cause an infection.
Symptoms
The symptoms of sinusitis in adults usually follow a cold that does not get better or gets worse after 5 - 7 days. Symptoms include:
Symptoms of sinusitis in children include:
Causes
When the sinus openings become blocked or too much mucus builds up, bacteria and other germs can grow more easily. Sinusitis can occur from one of these conditions:
Treatment