What causes pharyngitis?
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Pharyngitis is usually caused by a viral infection. Sometimes the virus attacks only the throat (pharynx), but often the sore throat is part of having a viral illness such as the common cold or the flu. Sometimes pharyngitis is caused by a bacterial infection or tonsillitis. It can also be caused by respiratory allergies or simply from dry air.
Pharyngitis is usually caused by a viral infection. Sometimes the virus attacks only the throat (pharynx), but often the sore throat is part of having a viral illness such as the common cold or the flu. Sometimes pharyngitis is caused by a bacterial... More
