What Is Croup?
Reviewed: Dr. Gromatzky
6. Who Is at Risk for Croup?
Children are most at risk for croup, particularly those who are between six months and three years of age. It is believed that the airways are already narrow in younger children, so any type of inflammation is likely to cause enough tightness in the vocal cords to cause symptoms of croup.
Since croup is caused by having the common cold, children are more likely to develop the condition simply because they are more likely to catch a cold. Children touch things and put their hands in their mouths more frequently than adults and have not yet built up a strong immune system the way adult patients have.
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