Common cold - Purulent nasal discharge(in the later stages...

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Common cold The common cold, otherwise known as Nasopharyngitis, is a viral infection of the upper airways. Symptoms There is an incubation period of one to four days. Symptoms often start in a localised area, such as the pharynx, but rapidly progress to other areas of the upper respiratory tract over the following 48 hour. Symptoms are due to inflammation and swelling of the mucosal membranes. Typically the symptoms last two to four days unless complications develop. Symptoms include:- Watery nasal discharge and sneezing Block nasal passages Facial pain caused by congested and inflamed sinuses Watery eyes Sore throat, dry tickly cough Fever Earache (if the infection spreads via the Eustachian tubes)
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Unformatted text preview: Purulent nasal discharge (in the later stages) • Lack of energy Causes The common cold is usually cause by one of the following viral infections:-• Rhinovirus • Adenovirus • Corona virus • Para-influenza • Echovirus • Respiratory Syncytial virus • Coxsackie A • Influenza A & B Infections are mainly spread by droplets that are produced when an infected person coughs or sneezes, but it may also spread by direct contact with skin, if the skin has been in contact with mucosal secretions. Immunity following a cold is very short lived and because the viruses do not typically enter the bloodstream, there is no common antigen which the body can build up an immune response against....
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.

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Common cold - Purulent nasal discharge(in the later stages...

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