With people sneezing and coughing around you, or at your child's school, it's important to separate fact from fiction where colds are concerned. In fact, there are more than 1 billion colds in the United States every year, according to the National Institutes of Health.
One cold can seem to stick around for a long time, but is really the result of catching multiple bugs, he said. That doesn't mean a child has had the same illness the whole time.
A cold doesn't cause other bacterial infections, but it does make you more susceptible to them. A sign that you might have one of these is that you have a cold, start to feel better after a few days, and then get worse, Bergquist said. You should see a doctor if you have fever, phlegm and severe sore throat that's not improving after three days.
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