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Coughs and Colds

You may have an infection with "flu" (influenza virus). Your symptoms are likely to persist for a total of four or five days, but they may last for longer than a week. Please be considerate about exposing others. Take a few days off work, wear a mask and wash your hands.

Most people who develop the flu do not need to visit their doctor. The antiviral medicines that are sometimes used against influenza do not appear to have any benefit when they are initiated later than 48 hours after the start of your symptoms, so they are not recommended for you. If you are short of breath and have flu symptoms, you will require evaluation. In this case your doctor will evaluate the possibility that you have influenza and will also consider the possibility that you may have a bacterial pneumonia or viral bronchitis. Notify the doctors' office staff when you arrive that you may have the flu, so they can provide you with a mask and expedite your move out of the shared waiting area.

Influenza is very contagious, so any other individual who has had close contact with you during the time you have symptoms could get your infection. If that individual is concerned about influenza, he or she may wish to speak with a doctor about medicines that can prevent some cases of influenza. The drugs for flu can cause side effects and they only have clear benefit if they are taken within 48 hours of exposure.

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Online Medical Reviewer: McDonald, Thad, MD
Date Last Reviewed: 5/4/2006
Date Last Modified: 3/30/2006

Source: from Harvard Health Decision Guides, Harvard Health Publications, Copyright © 2007 by President and Fellows of Harvard College. All rights reserved. Used with permission of StayWell.
 
 
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Symptom Checker content copyright © 2006 by President and Fellows of Harvard College. All rights reserved. Used with permission of StayWell. Use of content is subject to Terms & Conditions and Medical Disclaimer. More information on Harvard Medical School's publications and services is available at http://www.health.harvard.edu.

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