<p><strong>What Is Sinusitis?</strong></p>
<p>Sinusitis is an inflammation, usually due to infection, of one or more of the four sets of sinus cavities within each side of the facial skeleton. When irritated, the mucous membrane lining the sinus may swell and block the small drainage channels that permit mucus to flow into the nose. The buildup in pressure often results in headache, nasal congestion, drainage and facial pain. Acute sinusitis is a common disorder that often follows a cold or flu; chronic sinusitis refers to persistent or recurrent episodes that are generally milder than acute cases. Sinusitis often subsides on its own and responds well to home treatment. Rarely, infection may spread to the eyes or brain, possibly leading to vision loss, meningitis, or brain abscess.</p>
<p><strong>Who Gets Sinusitis? </strong></p>
<p>Approximately 15% of people in the United States suffe...
Chronic sinus infection; Chronic sinusitis
Symptoms may last for 3 months or more.
(in the front of the head or around the eyes)
around the eyes or in the forehead or cheeks
Pain in the roof of the mouth or teeth
(yellow, yellow-green, thick)
Signs and tests
The health care provider will examine you and tap lightly on your face over your sinuses. This method is called percussion . It may reveal tenderness in the area.
Normal sinuses glow when light shines directly onto them. (See: Transillumination ). If sinusitis is present, the sinuses will not glow when your doctor shines a light onto them.
Other tests that may be done include:
CT scan of the skull
MRI of the skull
These imaging tests may show ...
Complications Bacterial sinusitis is nearly always harmless (although uncomfortable and sometimes even very painful). If an episode becomes severe, antibiotics generally eliminate further problems. In rare cases, however, sinusitis can be very serious. Osteomyelitis. Adolescent males with acute frontal sinusitis are at particular risk for severe problems. One important complication is infection of the bones (osteomyelitis) of the forehead and other facial bones. In such cases, the patient usually experiences headache, fever, and a soft swelling over the bone known as Pott's puffy tumor. Infection of the Eye Socket. Infection of the eye socket, or orbital infection, which causes swelling and subsequent drooping of the eyelid, is a rare but serious complication of ethmoid sinusitis. In these cases, the patient loses movement in the eye, and pressure on the optic nerve can lead to vision loss, which is sometimes permanent. Fever and severe illness are usually present. Blood Clot. Blood clots...
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