<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...
Introduction The skull contains a number of air-filled spaces called sinuses . They perform the following functions: Reduce the weight of the skull Provide insulation for the skull Provide resonance for the voice Four pairs of sinuses, known as the paranasal air sinuses , connect to the nasal passages (the two airways running through the nose): Frontal sinuses (behind the forehead) Maxillary sinuses (behind the cheekbones) Ethmoid sinuses (between the eyes) Sphenoid sinuses (behind the eyes) Sinusitis occurs in these four areas. Sinusitis Healthy sinuses are sterile and contain no bacteria. (The nasal passage, on the other hand, normally contains many bacteria.) The Disease Process. Sinusitis is an infection that occurs if obstruction or congestion leads to bacterial growth in the paranasal sinuses. Among the many causes of such obstruction or congestion are the common cold, allergies, certain medical conditions, abnormalities in the nasal passage, and change in atmosphere. In any of these cases, si...
Generic Name: DEXTROMETHORPHAN/DECONGESTANT/ACETAMINOPHEN/ANTIHISTAMINE -
ORAL Contac Day/Night Allergy/Sinus Oral Precautions
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