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Learn more from WebMD about cold and asthma symptoms -- where they overlap, and when to call the doctor.
What causes the common cold? Why isn't there a vaccine to prevent it? Can a chill cause a cold? WebMD answers frequently asked questions about the common cold.
Sneezing, scratchy throat, runny nose — everyone knows the first signs of a cold. Learn more from WebMD about who, when, and why colds are so common.
Colds are miserable. WebMD tells you what to do - and what not to do - if you're suffering.
Learn more from WebMD about the flu, including causes, symptoms, types, risk factors, treatment, and prevention.
If you have diabetes, getting a flu can be quite serious -- even deadly. WebMD tells you how to handle the flu or avoid getting it.
Learn more from WebMD about children and the flu - symptoms to look for, treatment, prevention, and when to seek medical care.
Are your symptoms those of a common cold, or do you have something else? Find out when to seek care for cold symptoms.
You’ve heard that you need a flu shot. But which one is best? What are the side effects? Get the facts.
WebMD separates myths from facts about keeping the immune system strong.
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