LYCOS RETRIEVER 
Sinusitis: Cases
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There are some concerns about using corticosteroid nasal sprays to treat chronic sinusitis for long periods of time, because the long-term effects of these medications are not known. Therefore, a physician will weigh the potential benefits and risks of such medications before prescribing them. Nasal corticosteroid sprays are usually preferred to oral corticosteroids because they affect one localized area of the body, while systemic medications such as pills or liquids may affect the entire body. Nonetheless, oral corticosteroids may be prescribed in cases of severe sinusitis.
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There are two distinct forms of sinusitis which can affect a person, a chronic form and an acute form. The common cause of an acute case of sinusitis is the presence of an infection in the upper respiratory tract. While this is the general trend, in actuality cases of sinusitis are likely to result only in approximately 1 out of every 200 cases of upper respiratory tract infections-at least to the point that they become cases of acute sinusitis.
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Antibiotics are widely over-prescribed for acute sinusitis, according to a 2007 study. Researchers ... reported that inhaled corticosteroids are frequently prescribed for acute sinusitis, despite little evidence for their efficacy. Most cases of acute sinusitis resolve on their own and do not require antibiotic treatment.
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In general, nonenhanced CT scans suffice in cases of uncomplicated sinusitis. Multisection CT seems to have the potential to replace primary coronal CT of the paranasal sinuses without any loss of image quality, and it may even improve the overall diagnostic value. However, the doses of radiation may still have to be reduced.
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