A 34-year-old member asked:
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when can a cold turn it a upper respiratory infection?

2 doctor answers
Dr. Aileen Caceres
Specializes in Obstetrics and Gynecology
Yes it can: The most common cause of colds are viruses. These can in turn become bacterial infections that can affect the upper respiratory system. Signs to look for when concerned that your has turned into an upper respiratory infection include sinus pain or earache. If you are producing increased nasal discharge that is green to dark yellow in color then be concerned about a bacterial infection.
Answered on Jan 5, 2019
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8 thanks
Dr. David Lee
Dr. David Lee answered
31 years experience ENT and Head and Neck Surgery
"Always": A cold is a type of upper respiratory infection (URI) caused by a virus. Uri's can also be caused by bacterial infections.
Answered on Sep 16, 2018
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5 thanks

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A 38-year-old male asked:
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A Verified Doctor answered
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No: It may actually help prevent some of them.
A 32-year-old member asked:
Dr. Alex Shvartsman
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Possibly: But there are many other reasons.

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